Vulnerability Database

346,508

Total vulnerabilities in the database

CVE-2017-3863 — cisco / ios

Improper Restriction of Operations within the Bounds of a Memory Buffer

Multiple vulnerabilities in the EnergyWise module of Cisco IOS (12.2 and 15.0 through 15.6) and Cisco IOS XE (3.2 through 3.18) could allow an unauthenticated, remote attacker to cause a buffer overflow condition or a reload of an affected device, leading to a denial of service (DoS) condition. These vulnerabilities are due to improper parsing of crafted EnergyWise packets destined to an affected device. An attacker could exploit these vulnerabilities by sending crafted EnergyWise packets to be processed by an affected device. An exploit could allow the attacker to cause a buffer overflow condition or a reload of the affected device, leading to a DoS condition. Cisco IOS Software and Cisco IOS XE Software support EnergyWise for IPv4 communication. Only IPv4 packets destined to a device configured as an EnergyWise domain member can trigger these vulnerabilities. IPv6 packets cannot be used to trigger these vulnerabilities. Cisco Bug ID CSCut50727.

  • Published: Apr 20, 2017
  • Updated: Nov 9, 2025
  • CVE: CVE-2017-3863
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.8
  • AV:N/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
cisco / ios 15.0(2)sg5 15.0(2)sg5.x
cisco / ios 15.0(2)ex4 15.0(2)ex4.x
cisco / ios 15.1(2)sy10 15.1(2)sy10.x
cisco / ios 15.5(1)t1 15.5(1)t1.x
cisco / ios 15.0(2)ed1 15.0(2)ed1.x
cisco / ios 15.2(1)t 15.2(1)t.x
cisco / ios 15.0(1)sy1 15.0(1)sy1.x
cisco / ios 12.2(55)se2 12.2(55)se2.x
cisco / ios 12.2(60)ez7 12.2(60)ez7.x
cisco / ios 15.2(2)sy 15.2(2)sy.x
cisco / ios 12.2(52)ey4 12.2(52)ey4.x
cisco / ios 15.2(3)t4 15.2(3)t4.x
cisco / ios 15.6(1)t2 15.6(1)t2.x
cisco / ios 12.2(33)sxi10 12.2(33)sxi10.x
cisco / ios 15.2(3)e2 15.2(3)e2.x
cisco / ios 15.1(2)sg4 15.1(2)sg4.x
cisco / ios 15.2(2)gc 15.2(2)gc.x
cisco / ios 15.2(4)m7 15.2(4)m7.x
cisco / ios 15.1(2)sg1 15.1(2)sg1.x
cisco / ios_xe 3.4.1sg 3.4.1sg.x
cisco / ios 15.1(4)gc 15.1(4)gc.x
cisco / ios 15.0(1)sy7a 15.0(1)sy7a.x
cisco / ios 12.2(33)sxj8 12.2(33)sxj8.x
cisco / ios 15.5(3)m4a 15.5(3)m4a.x
cisco / ios_xe 3.3.1sq 3.3.1sq.x
cisco / ios 15.1(3)t2 15.1(3)t2.x
cisco / ios 15.5(1)t3 15.5(1)t3.x
cisco / ios 15.1(2)t0a 15.1(2)t0a.x
cisco / ios 15.1(1)t 15.1(1)t.x
cisco / ios 15.2(1)t2 15.2(1)t2.x
cisco / ios 12.2(33)sxj 12.2(33)sxj.x
cisco / ios 15.1(1)t4 15.1(1)t4.x
cisco / ios 15.0(1)xo1 15.0(1)xo1.x
cisco / ios 15.2(1)sy1a 15.2(1)sy1a.x
cisco / ios 15.1(1)t5 15.1(1)t5.x
cisco / ios 12.2(33)sxi8a 12.2(33)sxi8a.x
cisco / ios 15.3(2)t2 15.3(2)t2.x
cisco / ios 15.3(1)t4 15.3(1)t4.x
cisco / ios 12.2(55)se1 12.2(55)se1.x
cisco / ios 15.0(2)eh 15.0(2)eh.x
cisco / ios_xe 3.6.5ae 3.6.5ae.x
cisco / ios 15.2(1)sy 15.2(1)sy.x
cisco / ios 12.2(55)se10 12.2(55)se10.x
cisco / ios_xe 3.7.1e 3.7.1e.x
cisco / ios_xe 3.6.4e 3.6.4e.x
cisco / ios 12.2(33)sxi5 12.2(33)sxi5.x
cisco / ios 15.4(1)sy 15.4(1)sy.x
cisco / ios 15.3(2)t 15.3(2)t.x
cisco / ios 15.6(2)t1 15.6(2)t1.x
cisco / ios 15.0(1)m8 15.0(1)m8.x
cisco / ios 15.1(2)sy3 15.1(2)sy3.x
cisco / ios 12.2(33)sxj5 12.2(33)sxj5.x
cisco / ios 15.4(3)m2 15.4(3)m2.x
cisco / ios 12.2(33)sxi7 12.2(33)sxi7.x
cisco / ios 15.1(4)m8 15.1(4)m8.x
cisco / ios 15.6(3)m1 15.6(3)m1.x
cisco / ios_xe 3.6.0e 3.6.0e.x
cisco / ios 15.4(2)t1 15.4(2)t1.x
cisco / ios 15.2(1)e2 15.2(1)e2.x
cisco / ios 15.0(1)m6 15.0(1)m6.x
cisco / ios 12.2(33)sxj6 12.2(33)sxj6.x
cisco / ios 15.4(1)t2 15.4(1)t2.x
cisco / ios 12.2(54)wo 12.2(54)wo.x
cisco / ios 15.2(3)t 15.2(3)t.x
cisco / ios 12.2(60)ez1 12.2(60)ez1.x
cisco / ios 15.0(2)sg2 15.0(2)sg2.x
cisco / ios 15.0(2)sg1 15.0(2)sg1.x
cisco / ios 15.0(2)sg 15.0(2)sg.x
cisco / ios_xe 3.2.8sg 3.2.8sg.x
cisco / ios 12.2(53)ez 12.2(53)ez.x
cisco / ios_xe 3.5.1e 3.5.1e.x
cisco / ios_xe 3.4.2sg 3.4.2sg.x
cisco / ios 12.2(60)ez4 12.2(60)ez4.x
cisco / ios 12.2(55)ex2 12.2(55)ex2.x
cisco / ios 15.0(1)sy2 15.0(1)sy2.x
cisco / ios 15.1(2)gc2 15.1(2)gc2.x
cisco / ios 15.1(1)sy4 15.1(1)sy4.x
cisco / ios 15.5(2)t 15.5(2)t.x
cisco / ios 12.2(60)ez8 12.2(60)ez8.x
cisco / ios 15.1(2)sy 15.1(2)sy.x
cisco / ios 12.2(33)sxi13 12.2(33)sxi13.x
cisco / ios 15.2(1)sy3 15.2(1)sy3.x
cisco / ios 12.2(33)sxi12 12.2(33)sxi12.x
cisco / ios 12.2(33)sxj3 12.2(33)sxj3.x
cisco / ios 15.1(4)gc2 15.1(4)gc2.x
cisco / ios 15.0(1)m4 15.0(1)m4.x
cisco / ios 15.1(2)gc 15.1(2)gc.x
cisco / ios_xe 3.3.1sg 3.3.1sg.x
cisco / ios 15.0(1)se1 15.0(1)se1.x
cisco / ios_xe 3.6.2ae 3.6.2ae.x
cisco / ios 12.2(52)ey1c 12.2(52)ey1c.x
cisco / ios 15.0(2a)se9 15.0(2a)se9.x
cisco / ios 15.0(2)sg3 15.0(2)sg3.x
cisco / ios 15.2(4)m4 15.2(4)m4.x
cisco / ios 12.2(60)ez9 12.2(60)ez9.x
cisco / ios 15.5(3)s5 15.5(3)s5.x
cisco / ios 15.2(4)m2 15.2(4)m2.x
cisco / ios 15.2(4)gc1 15.2(4)gc1.x
cisco / ios_xe 3.4.6sg 3.4.6sg.x
cisco / ios 12.2(54)se 12.2(54)se.x
cisco / ios 15.4(2)t2 15.4(2)t2.x
cisco / ios 15.1(2)sy1 15.1(2)sy1.x
cisco / ios 15.3(3)m5 15.3(3)m5.x
cisco / ios 15.2(1)t3a 15.2(1)t3a.x
cisco / ios 15.1(1)sg1 15.1(1)sg1.x
cisco / ios 15.0(2)ek 15.0(2)ek.x
cisco / ios 15.5(3)m2 15.5(3)m2.x
cisco / ios 15.5(2)t3 15.5(2)t3.x
cisco / ios 15.2(2a)e1 15.2(2a)e1.x
cisco / ios 12.2(55)se8 12.2(55)se8.x
cisco / ios 15.2(1)t3 15.2(1)t3.x
cisco / ios 15.0(2)se4 15.0(2)se4.x
cisco / ios 15.0(1)m7 15.0(1)m7.x
cisco / ios 15.2(2)e2 15.2(2)e2.x
cisco / ios 12.2(58)ey2 12.2(58)ey2.x
cisco / ios 15.2(1)e 15.2(1)e.x
cisco / ios 15.2(3)e3 15.2(3)e3.x
cisco / ios 15.0(1)sy6 15.0(1)sy6.x
cisco / ios 15.0(2)ex1 15.0(2)ex1.x
cisco / ios 12.2(55)se9 12.2(55)se9.x
cisco / ios 15.1(4)m5 15.1(4)m5.x
cisco / ios 12.2(55)se7 12.2(55)se7.x
cisco / ios 12.2(53)se1 12.2(53)se1.x
cisco / ios 15.2(4)e 15.2(4)e.x
cisco / ios 15.2(2)t4 15.2(2)t4.x
cisco / ios 15.1(3)t4 15.1(3)t4.x
cisco / ios 12.2(52)ey2 12.2(52)ey2.x
cisco / ios 15.1(4)m2 15.1(4)m2.x
cisco / ios 15.4(3)m3 15.4(3)m3.x
cisco / ios 15.1(1)sy6 15.1(1)sy6.x
cisco / ios 12.2(55)se 12.2(55)se.x
cisco / ios 12.2(52)ey 12.2(52)ey.x
cisco / ios 12.2(52)ey1b 12.2(52)ey1b.x
cisco / ios 15.2(4)m5 15.2(4)m5.x
cisco / ios 15.1(2)sg6 15.1(2)sg6.x
cisco / ios 15.2(2)e1 15.2(2)e1.x
cisco / ios 12.2(33)sxi14 12.2(33)sxi14.x
cisco / ios 15.0(2)sg8 15.0(2)sg8.x
cisco / ios 15.0(1)m2 15.0(1)m2.x
cisco / ios 15.4(2)t3 15.4(2)t3.x
cisco / ios 15.2(1)sy2 15.2(1)sy2.x
cisco / ios_xe 3.18.1sp 3.18.1sp.x
cisco / ios 12.2(60)ez2 12.2(60)ez2.x
cisco / ios 15.0(2)se3 15.0(2)se3.x
cisco / ios 15.1(1)t2 15.1(1)t2.x
cisco / ios 15.2(4)gc 15.2(4)gc.x
cisco / ios 12.2(60)ez6 12.2(60)ez6.x
cisco / ios 12.2(58)se 12.2(58)se.x
cisco / ios 15.3(1)t 15.3(1)t.x
cisco / ios 15.1(2)sy6 15.1(2)sy6.x
cisco / ios 15.2(4)gc3 15.2(4)gc3.x
cisco / ios 15.6(2)t2 15.6(2)t2.x
cisco / ios 12.2(33)sxj9 12.2(33)sxj9.x
cisco / ios 15.0(2)ex 15.0(2)ex.x
cisco / ios 12.2(33)sxi4a 12.2(33)sxi4a.x
cisco / ios 15.3(1)sy2 15.3(1)sy2.x
cisco / ios 15.0(2)ex3 15.0(2)ex3.x
cisco / ios 15.2(4)m8 15.2(4)m8.x
cisco / ios 12.2(53)se 12.2(53)se.x
cisco / ios_xe 3.4.8sg 3.4.8sg.x
cisco / ios 15.3(1)sy 15.3(1)sy.x
cisco / ios 15.2(2)e 15.2(2)e.x
cisco / ios 15.0(2)ez 15.0(2)ez.x
cisco / ios 15.2(2)eb2 15.2(2)eb2.x
cisco / ios 15.4(1)t3 15.4(1)t3.x
cisco / ios 15.2(2)eb1 15.2(2)eb1.x
cisco / ios 15.3(3)m 15.3(3)m.x
cisco / ios 15.0(2)se 15.0(2)se.x
cisco / ios 15.1(2)sg3 15.1(2)sg3.x
cisco / ios 15.3(3)m9 15.3(3)m9.x
cisco / ios_xe 3.6.2e 3.6.2e.x
cisco / ios 15.3(3)m2 15.3(3)m2.x
cisco / ios 15.5(3)m1 15.5(3)m1.x
cisco / ios 15.2(3)e 15.2(3)e.x
cisco / ios 15.1(2)sy7 15.1(2)sy7.x
cisco / ios 15.0(1)sy3 15.0(1)sy3.x
cisco / ios 15.1(2)sy8 15.1(2)sy8.x
cisco / ios 12.2(58)ey 12.2(58)ey.x
cisco / ios 15.4(2)cg 15.4(2)cg.x
cisco / ios 15.2(2)eb 15.2(2)eb.x
cisco / ios 12.2(55)ey 12.2(55)ey.x
cisco / ios 15.2(2)t2 15.2(2)t2.x
cisco / ios 15.2(1)gc1 15.2(1)gc1.x
cisco / ios 15.0(1)sy9 15.0(1)sy9.x
cisco / ios 15.2(2)sy1 15.2(2)sy1.x
cisco / ios 15.1(4)m3a 15.1(4)m3a.x
cisco / ios_xe 3.2.1sg 3.2.1sg.x
cisco / ios 12.2(52)ey1 12.2(52)ey1.x
cisco / ios 15.0(2)se9 15.0(2)se9.x
cisco / ios 12.2(60)ez 12.2(60)ez.x
cisco / ios 15.4(1)sy1 15.4(1)sy1.x
cisco / ios 15.2(3m)e2 15.2(3m)e2.x
cisco / ios 15.1(1)t1 15.1(1)t1.x
cisco / ios 15.0(1)sy7 15.0(1)sy7.x
cisco / ios 15.0(2)ex8 15.0(2)ex8.x
cisco / ios 12.2(55)se11 12.2(55)se11.x
cisco / ios 15.0(2)se2 15.0(2)se2.x
cisco / ios 12.2(55)se4 12.2(55)se4.x
cisco / ios 15.0(1)sy4 15.0(1)sy4.x
cisco / ios 15.2(2)e4 15.2(2)e4.x
cisco / ios 15.2(3)t2 15.2(3)t2.x
cisco / ios 15.3(3)m3 15.3(3)m3.x
cisco / ios 12.2(52)ey2a 12.2(52)ey2a.x
cisco / ios 12.2(53)ex 12.2(53)ex.x
cisco / ios 15.1(2)t5 15.1(2)t5.x
cisco / ios 15.5(3)m0a 15.5(3)m0a.x
cisco / ios 15.1(1)sy5 15.1(1)sy5.x
cisco / ios 15.2(4)m1 15.2(4)m1.x
cisco / ios 15.1(2)sg8 15.1(2)sg8.x
cisco / ios 15.2(4)m6a 15.2(4)m6a.x
cisco / ios 15.4(1)t 15.4(1)t.x
cisco / ios 15.0(2)ej 15.0(2)ej.x
cisco / ios 12.2(53)se2 12.2(53)se2.x
cisco / ios 15.0(2)se10 15.0(2)se10.x
cisco / ios 15.1(4)m7 15.1(4)m7.x
cisco / ios 12.2(54)xo 12.2(54)xo.x
cisco / ios 15.2(2)t 15.2(2)t.x
cisco / ios 15.4(2)t 15.4(2)t.x
cisco / ios 15.2(4)m10 15.2(4)m10.x
cisco / ios 12.2(55)ez 12.2(55)ez.x
cisco / ios 15.5(2)t2 15.5(2)t2.x
cisco / ios_xe 3.4.3sg 3.4.3sg.x
cisco / ios 15.1(1)sy 15.1(1)sy.x
cisco / ios 15.1(2)gc1 15.1(2)gc1.x
cisco / ios 15.1(1)sg2 15.1(1)sg2.x
cisco / ios 15.5(1)t 15.5(1)t.x
cisco / ios 15.1(2)sg5 15.1(2)sg5.x
cisco / ios 12.2(52)ey3 12.2(52)ey3.x
cisco / ios 12.2(54)sg1 12.2(54)sg1.x
cisco / ios 12.2(55)se3 12.2(55)se3.x
cisco / ios 12.2(33)sxj10 12.2(33)sxj10.x
cisco / ios 15.0(2)ej1 15.0(2)ej1.x
cisco / ios 15.2(3a)e 15.2(3a)e.x
cisco / ios 15.4(1)t1 15.4(1)t1.x
cisco / ios 15.1(3)t1 15.1(3)t1.x
cisco / ios 15.2(2)t3 15.2(2)t3.x
cisco / ios 15.0(1)se3 15.0(1)se3.x
cisco / ios 15.2(3)gc1 15.2(3)gc1.x
cisco / ios 15.6(1)t1 15.6(1)t1.x
cisco / ios 15.1(4)m4 15.1(4)m4.x
cisco / ios 15.6(3)m1b 15.6(3)m1b.x
cisco / ios 15.1(2)t2 15.1(2)t2.x
cisco / ios 15.1(2)sy4a 15.1(2)sy4a.x
cisco / ios 12.2(60)ez5 12.2(60)ez5.x
cisco / ios 15.0(2a)ex5 15.0(2a)ex5.x
cisco / ios 15.1(2)t2a 15.1(2)t2a.x
cisco / ios 15.1(2)sy2 15.1(2)sy2.x
cisco / ios 15.3(3)m7 15.3(3)m7.x
cisco / ios 15.0(1)se 15.0(1)se.x
cisco / ios 15.1(3)t 15.1(3)t.x
cisco / ios 15.1(4)m1 15.1(4)m1.x
cisco / ios 15.1(4)gc1 15.1(4)gc1.x
cisco / ios 12.2(33)sxj2 12.2(33)sxj2.x
cisco / ios 15.0(1)xo 15.0(1)xo.x
cisco / ios 15.3(1)t3 15.3(1)t3.x
cisco / ios 15.2(2)e5 15.2(2)e5.x
cisco / ios 15.6(3)m 15.6(3)m.x
cisco / ios 15.2(4)m 15.2(4)m.x
cisco / ios 15.4(3)m5 15.4(3)m5.x
cisco / ios 15.4(3)m4 15.4(3)m4.x
cisco / ios 15.4(1)cg 15.4(1)cg.x
cisco / ios 12.2(58)ey1 12.2(58)ey1.x
cisco / ios 15.2(1)t1 15.2(1)t1.x
cisco / ios 15.0(2)sg4 15.0(2)sg4.x
cisco / ios 15.0(2)se1 15.0(2)se1.x
cisco / ios_xe 3.7.3e 3.7.3e.x
cisco / ios 15.2(2)sy2 15.2(2)sy2.x
cisco / ios 15.6(2)t 15.6(2)t.x
cisco / ios_xe 3.7.2e 3.7.2e.x
cisco / ios 15.2(1)e3 15.2(1)e3.x
cisco / ios 15.6(3)m0a 15.6(3)m0a.x
cisco / ios 15.3(3)m6 15.3(3)m6.x
cisco / ios 12.2(55)ex3 12.2(55)ex3.x
cisco / ios_xe 3.5.3e 3.5.3e.x
cisco / ios 15.1(2)t1 15.1(2)t1.x
cisco / ios 12.2(33)sxi6 12.2(33)sxi6.x
cisco / ios 15.5(2)t4 15.5(2)t4.x
cisco / ios 15.1(3)t3 15.1(3)t3.x
cisco / ios 15.0(1)m9 15.0(1)m9.x
cisco / ios 15.6(1)t0a 15.6(1)t0a.x
cisco / ios 15.0(1)m10 15.0(1)m10.x
cisco / ios 15.1(2)t 15.1(2)t.x
cisco / ios 15.2(2)e5a 15.2(2)e5a.x
cisco / ios 15.3(1)t1 15.3(1)t1.x
cisco / ios 15.0(2)se7 15.0(2)se7.x
cisco / ios 15.2(3)e1 15.2(3)e1.x
cisco / ios 15.1(2)sg7 15.1(2)sg7.x
cisco / ios 15.3(3)m4 15.3(3)m4.x
cisco / ios 15.0(2)se6 15.0(2)se6.x
cisco / ios 15.2(1)gc 15.2(1)gc.x
cisco / ios 12.2(52)ey3a 12.2(52)ey3a.x
cisco / ios 15.0(2)ek1 15.0(2)ek1.x
cisco / ios 15.1(2)t3 15.1(2)t3.x
cisco / ios 15.1(2)sg 15.1(2)sg.x
cisco / ios 15.3(3)m1 15.3(3)m1.x
cisco / ios 15.5(1)t2 15.5(1)t2.x
cisco / ios 15.1(2)sy4 15.1(2)sy4.x
cisco / ios 12.2(60)ez3 12.2(60)ez3.x
cisco / ios 15.0(2)sg7 15.0(2)sg7.x
cisco / ios 15.0(1)m5 15.0(1)m5.x
cisco / ios 12.2(33)sxi4 12.2(33)sxi4.x
cisco / ios 15.0(1)se2 15.0(1)se2.x
cisco / ios 12.2(53)ey 12.2(53)ey.x
cisco / ios 15.5(2)t1 15.5(2)t1.x
cisco / ios 15.0(2)xo 15.0(2)xo.x
cisco / ios 15.2(1)t4 15.2(1)t4.x
cisco / ios 15.6(3)m2 15.6(3)m2.x
cisco / ios 15.3(2)t4 15.3(2)t4.x
cisco / ios 15.5(3)m4 15.5(3)m4.x
cisco / ios 15.0(2)sg6 15.0(2)sg6.x
cisco / ios 15.1(1)t3 15.1(1)t3.x
cisco / ios 15.0(2)ex10 15.0(2)ex10.x
cisco / ios 12.2(55)se6 12.2(55)se6.x
cisco / ios 15.2(2)t1 15.2(2)t1.x
cisco / ios 15.3(1)t2 15.3(1)t2.x
cisco / ios 15.1(2)sy5 15.1(2)sy5.x
cisco / ios 15.2(4)m11 15.2(4)m11.x
cisco / ios_xe 3.7.0e 3.7.0e.x
cisco / ios 15.0(1)m3 15.0(1)m3.x
cisco / ios 15.2(4)m6 15.2(4)m6.x
cisco / ios 15.2(1)sy1 15.2(1)sy1.x
cisco / ios 15.2(3)t1 15.2(3)t1.x
cisco / ios 12.2(52)ex1 12.2(52)ex1.x
cisco / ios_xe 3.6.1e 3.6.1e.x
cisco / ios 15.5(3)m5 15.5(3)m5.x
cisco / ios 15.0(1)sy5 15.0(1)sy5.x
cisco / ios 15.2(1)e1 15.2(1)e1.x
cisco / ios 15.2(4)m3 15.2(4)m3.x
cisco / ios 15.4(3)m1 15.4(3)m1.x
cisco / ios 12.2(33)sxj4 12.2(33)sxj4.x
cisco / ios 15.1(1)sg 15.1(1)sg.x
cisco / ios 15.4(1)t4 15.4(1)t4.x
cisco / ios 15.0(1)sy10 15.0(1)sy10.x
cisco / ios 15.3(2)t3 15.3(2)t3.x
cisco / ios 15.1(4)m 15.1(4)m.x
cisco / ios 15.1(2)t4 15.1(2)t4.x
cisco / ios_xe 3.6.5e 3.6.5e.x
cisco / ios 15.4(3)m6a 15.4(3)m6a.x
cisco / ios 15.1(4)m9 15.1(4)m9.x
cisco / ios 15.0(2)ed 15.0(2)ed.x
cisco / ios 15.1(1)sy3 15.1(1)sy3.x
cisco / ios 12.2(33)sxi9 12.2(33)sxi9.x
cisco / ios 15.0(2)ex2 15.0(2)ex2.x
cisco / ios 15.0(2)se5 15.0(2)se5.x
cisco / ios 15.2(4)gc2 15.2(4)gc2.x
cisco / ios 12.2(58)se2 12.2(58)se2.x
cisco / ios 15.1(4)m6 15.1(4)m6.x
cisco / ios 15.4(1)cg1 15.4(1)cg1.x
cisco / ios 15.2(4)m9 15.2(4)m9.x
cisco / ios 12.2(33)sxj1 12.2(33)sxj1.x
cisco / ios 15.0(2)ex5 15.0(2)ex5.x
cisco / ios 12.2(55)se5 12.2(55)se5.x
cisco / ios 12.2(33)sxi8 12.2(33)sxi8.x
cisco / ios 12.2(55)ex 12.2(55)ex.x
cisco / ios 15.2(3)gc 15.2(3)gc.x
cisco / ios 15.4(3)m6 15.4(3)m6.x
cisco / ios 15.1(4)m3 15.1(4)m3.x
cisco / ios 12.2(33)sxi11 12.2(33)sxi11.x
cisco / ios 15.4(3)m 15.4(3)m.x
cisco / ios 15.0(1)sy8 15.0(1)sy8.x
cisco / ios_xe 3.8.0e 3.8.0e.x
cisco / ios 12.2(58)se1 12.2(58)se1.x
cisco / ios 15.4(3)m7 15.4(3)m7.x
cisco / ios 15.1(4)m10 15.1(4)m10.x
cisco / ios 12.2(52)ex 12.2(52)ex.x
cisco / ios 15.1(2)sg2 15.1(2)sg2.x
cisco / ios 15.2(1)sy0a 15.2(1)sy0a.x
cisco / ios 15.1(1)sy2 15.1(1)sy2.x
cisco / ios 12.2(55)ex1 12.2(55)ex1.x
cisco / ios 12.2(33)sxj7 12.2(33)sxj7.x
cisco / ios 15.3(2)t1 15.3(2)t1.x
cisco / ios 15.2(1)gc2 15.2(1)gc2.x
cisco / ios 15.4(2)t4 15.4(2)t4.x
cisco / ios 12.2(54)sg 12.2(54)sg.x
cisco / ios 15.6(1)t 15.6(1)t.x
cisco / ios 15.2(3)t3 15.2(3)t3.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.