Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2019-1751

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.

  • Published: Mar 28, 2019
  • Updated: Apr 13, 2023
  • CVE: CVE-2019-1751
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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 15.5(1)t1 15.5(1)t1.x
cisco / ios 15.6(2)t3 15.6(2)t3.x
cisco / ios 15.6(1)t2 15.6(1)t2.x
cisco / ios 15.5(3)m4a 15.5(3)m4a.x
cisco / ios 15.5(1)t3 15.5(1)t3.x
cisco / ios 15.6(2)t1 15.6(2)t1.x
cisco / ios 15.4(3)m2 15.4(3)m2.x
cisco / ios 15.6(3)m1 15.6(3)m1.x
cisco / ios 15.4(2)t1 15.4(2)t1.x
cisco / ios 15.4(1)t2 15.4(1)t2.x
cisco / ios 15.6(3)m3 15.6(3)m3.x
cisco / ios 15.5(2)t 15.5(2)t.x
cisco / ios 15.4(2)t2 15.4(2)t2.x
cisco / ios 15.5(3)m3 15.5(3)m3.x
cisco / ios 15.7(3)m 15.7(3)m.x
cisco / ios 15.5(3)m2 15.5(3)m2.x
cisco / ios 15.6(3)m2a 15.6(3)m2a.x
cisco / ios 15.5(2)t3 15.5(2)t3.x
cisco / ios 15.4(3)m3 15.4(3)m3.x
cisco / ios 15.4(2)t3 15.4(2)t3.x
cisco / ios 15.5(3)m 15.5(3)m.x
cisco / ios 15.6(2)t2 15.6(2)t2.x
cisco / ios 15.4(1)t3 15.4(1)t3.x
cisco / ios 15.5(3)m1 15.5(3)m1.x
cisco / ios 15.5(3)m0a 15.5(3)m0a.x
cisco / ios 15.5(1)t4 15.5(1)t4.x
cisco / ios 15.4(1)t 15.4(1)t.x
cisco / ios 15.4(2)t 15.4(2)t.x
cisco / ios 15.5(2)t2 15.5(2)t2.x
cisco / ios 15.5(3)m6 15.5(3)m6.x
cisco / ios 15.5(1)t 15.5(1)t.x
cisco / ios 15.4(1)t1 15.4(1)t1.x
cisco / ios 15.6(1)t1 15.6(1)t1.x
cisco / ios 15.6(3)m1b 15.6(3)m1b.x
cisco / ios 15.6(3)m 15.6(3)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 15.6(2)t 15.6(2)t.x
cisco / ios 15.6(3)m0a 15.6(3)m0a.x
cisco / ios 15.5(2)t4 15.5(2)t4.x
cisco / ios 15.6(1)t0a 15.6(1)t0a.x
cisco / ios 15.5(1)t2 15.5(1)t2.x
cisco / ios 15.5(2)t1 15.5(2)t1.x
cisco / ios 15.6(3)m2 15.6(3)m2.x
cisco / ios 15.5(3)m4 15.5(3)m4.x
cisco / ios 15.5(3)m5 15.5(3)m5.x
cisco / ios 15.4(3)m1 15.4(3)m1.x
cisco / ios 15.4(1)t4 15.4(1)t4.x
cisco / ios 15.4(3)m6a 15.4(3)m6a.x
cisco / ios 15.4(1)cg1 15.4(1)cg1.x
cisco / ios 15.4(3)m6 15.4(3)m6.x
cisco / ios 15.4(3)m 15.4(3)m.x
cisco / ios 15.4(3)m7 15.4(3)m7.x
cisco / ios 15.4(2)t4 15.4(2)t4.x
cisco / ios 15.6(1)t 15.6(1)t.x
cisco / ios 15.6(1)t3 15.6(1)t3.x
cisco / ios 15.4(3)m7a 15.4(3)m7a.x
cisco / ios 15.4(3)m8 15.4(3)m8.x
cisco / ios 15.5(3)m4b 15.5(3)m4b.x
cisco / ios 15.5(3)m4c 15.5(3)m4c.x
cisco / ios 15.5(3)m5a 15.5(3)m5a.x
cisco / ios 15.5(3)m6a 15.5(3)m6a.x
cisco / ios 15.6(3)m1a 15.6(3)m1a.x
cisco / ios 15.6(3)m3a 15.6(3)m3a.x
cisco / ios 15.7(3)m0a 15.7(3)m0a.x
cisco / ios 15.7(3)m1 15.7(3)m1.x
cisco / ios 15.7(3)m2 15.7(3)m2.x
cisco / ios 15.6(2)t0a 15.6(2)t0a.x
cisco / ios 15.6(3)m4 15.6(3)m4.x
cisco / ios 15.4(3)m10 15.4(3)m10.x
cisco / ios 15.7(3)m3 15.7(3)m3.x
cisco / ios 15.6(3)m5 15.6(3)m5.x
cisco / ios 15.5(2)xb 15.5(2)xb.x
cisco / ios 15.8(3)m0a 15.8(3)m0a.x
cisco / ios 15.4(3)m9 15.4(3)m9.x
cisco / ios 15.5(3)m2a 15.5(3)m2a.x
cisco / ios 15.8(3)m 15.8(3)m.x
cisco / ios 15.8(3)m0b 15.8(3)m0b.x
cisco / ios 15.5(3)m7 15.5(3)m7.x
cisco / ios 15.5(3)m8 15.5(3)m8.x