How should we interpret CVSS severity scores?

CVSS estimates technical severity, but it does not automatically equal business risk. Prioritize using context like internet exposure, asset criticality, known exploitation, 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.

Vulnerability Database

Q: What is a Vulnerability (CVE) and why does it matter?

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.

Q: What's the difference between a vulnerability, an exploit, and a zero-day?

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. Risk increases sharply when exploitation becomes reliable or widespread.

Q: Why do vulnerabilities keep reappearing in our environment?

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.

Q: How do we prioritize remediation without burning out the team?

Use a 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 so remediation is steady, not reactive.

Q: How can SynScan help reduce vulnerability risk over time?

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.

346,508

Total vulnerabilities in the database

Vulnerabilities for products matching "ios"

Found 1 matching product.

You can search for specific versions with /product/ios/1.2.3

cisco / ios

67757 vulnerabilities found

Title	Severity	Date	Affected Version
CVE-2015-6429	Medium	December 19, 2015 12/19/15	== 15.6(0.17)t == 15.5(2)t == 15.5(2)s == 15.5(3)m == 15.5(3)m1 == 15.5(3)s1 == 15.5(3)s == 15.5(1)t == 15.6(1)t0a == 15.4(3)s == 15.5(1)s
CVE-2015-6359	Medium	December 15, 2015 12/15/15	== 15.2(5)st == 15.2(4)e == 15.2(4)st == 15.3(3)s0.1 == 15.2(4)pi
CVE-2015-6385	High	December 1, 2015 12/1/15	== 15.5(2)s == 15.5(3)s
CVE-2015-6375	Low	November 21, 2015 11/21/15	== 15.2(2)e3
CVE-2015-6365	Low	November 14, 2015 11/14/15	== 15.2(4)m == 15.4(3)m
CVE-2015-6366	Medium	November 13, 2015 11/13/15	== 15.4(3)s == 15.2(4)m6
CVE-2015-6343	Medium	October 31, 2015 10/31/15	== 15.5(3)m
CVE-2015-6263	Medium	October 12, 2015 10/12/15	== 15.4(3)m2.2
CVE-2015-6280	High	September 28, 2015 9/28/15	== 15.4(2)s2 == 15.2(1)sy == 15.3(3)s5 == 15.4(3)m2 == 15.4(2)t1 == 15.4(1)t2 == 15.4(3)s2 == 15.4(1)s == 15.3(3)s3 == 15.4(2)t2 == 15.3(3)m5 == 15.2(2)ea1 == 15.4(1)s1 == 15.2(2a)e1 == 15.2(2)e2 == 15.2(2)e1 == 15.3(3)s1a == 15.2(2)e == 15.4(1)t3 == 15.3(3)m2 == 15.4(1)s2 == 15.2(3)e == 15.4(2)cg == 15.2(3)ea == 15.3(3)m3 == 15.4(1)t == 15.4(1)s3 == 15.4(2)t == 15.5(1)t == 15.4(2)s1 == 15.2(3a)e == 15.4(1)t1 == 15.3(3)s4 == 15.4(1)cg == 15.4(2)s == 15.2(2a)e2 == 15.4(3)s == 15.3(3)m4 == 15.5(1)s == 15.3(3)m1 == 15.3(3)s1 == 15.3(3)s == 15.4(3)m1 == 15.4(3)s1 == 15.4(1)cg1 == 15.3(3)s2 == 15.4(3)m == 15.2(1)sy0a
CVE-2015-6279	High	September 28, 2015 9/28/15	== 15.4(2)s2 == 15.3(2)s1 == 12.2(50)sy1 == 12.2(50)sy4 == 15.3(2)s == 15.0(1)sy1 == 15.1(2)sg4 == 15.1(2)sg1 == 15.0(1)sy7a == 15.2(1)sy == 15.1(2)sy3 == 15.2(4)s7 == 15.2(1)e2 == 15.2(4)s4a == 15.2(4)s2 == 15.4(3)s2 == 15.0(1)sy2 == 12.2(50)sy == 15.1(1)sy4 == 15.1(2)sy == 15.2(4)s6 == 15.4(1)s == 15.3(3)s3 == 15.3(2)s0a == 15.3(1)s2 == 15.1(2)sy1 == 15.2(2)ea1 == 15.0(1)sy == 15.4(1)s1 == 15.2(2a)e1 == 15.0(2)se4 == 15.2(2)e2 == 15.2(1)e == 15.0(1)sy6 == 15.2(2)e1 == 15.0(2)ea2 == 15.0(2)se3 == 12.2(50)sy3 == 15.2(2)e == 15.0(2)ez == 15.0(1)ex == 15.0(2)se == 15.1(2)sg3 == 15.4(1)s2 == 15.2(3)e == 15.0(1)sy3 == 15.0(1)sy7 == 15.1(1)sy1 == 15.0(2)se2 == 15.0(1)sy4 == 15.1(1)sy5 == 15.0(2)ej == 15.4(1)s3 == 15.2(4)s3 == 15.1(1)sy == 15.1(2)sg5 == 15.4(2)s1 == 15.0(2)ej1 == 15.2(3a)e == 15.1(2)sy4a == 15.0(2a)ex5 == 15.1(2)sy2 == 15.3(3)s4 == 15.3(2)s2 == 15.0(2)se1 == 15.2(1)e3 == 15.4(2)s == 15.2(4)s4 == 15.4(3)s == 15.0(2)se7 == 15.0(2)se6 == 12.2(50)sy2 == 15.3(1)s == 15.1(2)sg == 15.2(4)s1 == 15.1(2)sy4 == 15.3(3)s1 == 15.0(1)sy5 == 15.3(3)s == 15.2(1)e1 == 15.1(1)sy3 == 15.4(3)s1 == 15.0(2)se5 == 15.4(2)s3 == 15.3(3)s2 == 15.2(4)s3a == 15.0(1)sy8 == 15.1(2)sg2 == 15.2(1)sy0a == 15.1(1)sy2 == 15.2(4)s5 == 15.2(4)s
CVE-2015-6278	High	September 28, 2015 9/28/15	== 15.4(2)s2 == 15.3(2)s1 == 12.2(50)sy1 == 12.2(50)sy4 == 15.3(2)s == 15.0(1)sy1 == 15.1(2)sg4 == 15.1(2)sg1 == 15.0(1)sy7a == 15.2(1)sy == 15.3(3)s5 == 15.1(2)sy3 == 15.2(4)s7 == 15.2(1)e2 == 15.2(4)s4a == 15.2(4)s2 == 15.4(3)s2 == 15.0(1)sy2 == 12.2(50)sy == 15.1(1)sy4 == 15.1(2)sy == 15.2(4)s6 == 15.4(1)s == 15.3(3)s3 == 15.3(2)s0a == 15.3(1)s2 == 15.1(2)sy1 == 15.2(2)ea1 == 15.0(1)sy == 15.4(1)s1 == 15.2(2a)e1 == 15.0(2)se4 == 15.2(2)e2 == 15.2(1)e == 15.0(1)sy6 == 15.1(2)sg6 == 15.2(2)e1 == 15.0(2)ea2 == 15.0(2)se3 == 12.2(50)sy3 == 15.2(2)e == 15.0(2)ez == 15.0(1)ex == 15.0(2)se == 15.1(2)sg3 == 15.4(1)s2 == 15.2(3)e == 15.0(1)sy3 == 15.0(1)sy7 == 15.1(1)sy1 == 15.0(2)se2 == 15.0(1)sy4 == 15.1(1)sy5 == 15.5(1)s1 == 15.0(2)ej == 15.4(1)s3 == 15.2(4)s3 == 15.1(1)sy == 15.1(2)sg5 == 15.4(2)s1 == 15.0(2)ej1 == 15.2(3a)e == 15.0(2)se8 == 15.1(2)sy4a == 15.0(2a)ex5 == 15.1(2)sy2 == 15.3(3)s4 == 15.3(2)s2 == 15.0(2)se1 == 15.2(1)e3 == 15.4(2)s == 15.2(4)s4 == 15.4(3)s == 15.0(2)se7 == 15.2(3)e1 == 15.0(2)se6 == 12.2(50)sy2 == 15.3(1)s == 15.5(1)s == 15.1(2)sg == 15.2(4)s1 == 15.1(2)sy4 == 15.3(3)s1 == 15.1(2)sy5 == 15.0(1)sy5 == 15.3(3)s == 15.2(1)e1 == 15.1(1)sy3 == 15.4(3)s1 == 15.0(2)se5 == 15.4(2)s3 == 15.3(3)s2 == 15.2(4)s3a == 15.0(1)sy8 == 15.1(2)sg2 == 15.2(1)sy0a == 15.1(1)sy2 == 15.2(4)s5 == 15.2(4)s
CVE-2015-6294	Medium	September 18, 2015 9/18/15	== 15.2(2)e2 == 15.2(2)e1 == 15.2(2)e == 15.2(3)e == 15.2e
CVE-2015-0681	High	July 24, 2015 7/24/15	== 15.0(2)ed1 == 15.2(2)jb1 == 12.2(33)xn1 == 12.4(23)jy == 12.2(44)sq1 == 12.4(25e)jao5m == 15.1(3)svf4a == 15.0(2)ey3 == 12.4(25e)jam1
CVE-2015-4199	High	June 27, 2015 6/27/15	== 15.3s
CVE-2015-4203	Medium	June 23, 2015 6/23/15	== 12.2(33)sch == 12.2sch
CVE-2015-4200	High	June 23, 2015 6/23/15	== 15.3s == 15.3(3)s
CVE-2015-4202	Medium	June 20, 2015 6/20/15	== 12.2(33)sch == 12.2sch
CVE-2015-4185	Medium	June 13, 2015 6/13/15	== 15.2m == 15.2(4)m6
CVE-2015-0771	Medium	June 12, 2015 6/12/15	== 12.2(33)sxj8 == 12.2sxj
CVE-2015-0731	Medium	May 16, 2015 5/16/15	== 15.3s == 15.3(3)s1
CVE-2015-0709	Medium	April 29, 2015 4/29/15	== 15.5(3)s == 15.5s
CVE-2015-0708	Medium	April 29, 2015 4/29/15	== 15.4sn == 15.4s == 15.4(3)s == 15.5(1)s == 15.4(3)sn1 == 15.4(3)s1 == 15.5s
CVE-2015-0687	Medium	April 3, 2015 4/3/15	== 15.1(2)sg4 == 15.1sg
CVE-2015-0649	High	March 26, 2015 3/26/15	== 15.0(1)ey == 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.0(2)ey1 == 15.0(2)ey == 15.0(2)eb == 15.2(2)jb1 == 12.2(55)se8 == 15.0(2)se4 == 15.0(2)ey2 == 12.4(25e)jaz1 == 12.2(55)se9 == 12.2(55)se7 == 15.3(3)ja1n == 12.2(55)se == 15.2(2)e1 == 15.2(1)ex == 15.0(2)se3 == 15.3(3)jnb == 12.2(33)ird1 == 15.2(2)e == 15.0(2)se == 12.2(33)ire3 == 12.2(52)se1 == 15.0(2)se2 == 12.2(55)se4 == 12.2(44)sq1 == 12.2(55)se3 == 15.2(1)ey == 12.2(33)sxi4b == 15.3(2)s2 == 15.0(2)se1 == 15.0(2)se7 == 15.0(2)se6 == 12.4(25e)jap1m == 15.0(1)ey1 == 15.0(1)ey2 == 12.2(52)se == 12.2(55)se6 == 15.0(2)se5 == 12.2(58)se2 == 15.0(2)ey3 == 12.2(55)se5 == 12.4(25e)jam1
CVE-2015-0650	High	March 26, 2015 3/26/15	== 15.1 == 15.4 == 15.0 == 15.3 == 12.4 == 12.2 == 15.2
CVE-2015-0648	High	March 26, 2015 3/26/15	== 15.0(1)ey == 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.3(3)jaa == 15.3(3)jab == 15.0(2)ey1 == 12.2(46)se == 12.2(44)ex1 == 15.0(2)ey == 15.0(2)eb == 12.2(46)se2 == 15.2(2)jb1 == 12.2(50)se3 == 12.2(55)se8 == 15.0(2)se4 == 15.0(2)ey2 == 12.4(25e)jaz1 == 15.3(3)ja1 == 12.2(55)se9 == 12.2(55)se7 == 12.2(46)se1 == 15.3(3)ja1n == 12.2(55)se == 15.2(2)e1 == 15.2(1)ex == 15.0(2)se3 == 15.3(3)jnb == 12.2(33)ird1 == 15.2(2)e == 15.0(2)se == 12.2(33)ire3 == 12.2(52)se1 == 15.0(2)se2 == 12.2(55)se4 == 12.2(50)se5 == 12.2(50)se1 == 12.2(44)sq1 == 12.2(55)se3 == 15.2(1)ey == 12.2(33)sxi4b == 12.2(50)se2 == 15.3(2)s2 == 15.0(2)se1 == 15.0(2)se7 == 15.0(2)se6 == 15.3(3)ja == 12.4(25e)jap1m == 15.0(1)ey1 == 12.2(50)se == 15.0(1)ey2 == 12.2(52)se == 12.2(55)se6 == 15.0(2)se5 == 12.2(44)ex == 12.2(58)se2 == 15.0(2)ey3 == 12.2(55)se5 == 15.3(3)ja1m == 12.4(25e)jam1 == 12.2(50)se4
CVE-2015-0647	High	March 26, 2015 3/26/15	== 15.0(1)ey == 15.0(2)ed1 == 15.3(3)jab1 == 15.3(3)jaa == 15.3(3)jab == 15.0(2)ey1 == 12.2(46)se == 12.2(44)ex1 == 15.0(2)ey == 15.0(2)eb == 12.2(46)se2 == 15.2(2)jb1 == 12.2(50)se3 == 12.2(55)se8 == 15.0(2)se4 == 15.0(2)ey2 == 12.4(25e)jaz1 == 15.3(3)ja1 == 12.2(55)se9 == 12.2(55)se7 == 12.2(46)se1 == 15.3(3)ja1n == 12.2(55)se == 15.2(2)e1 == 15.2(1)ex == 15.0(2)se3 == 15.3(3)jnb == 12.2(33)ird1 == 15.0(2)se == 12.2(33)ire3 == 12.2(52)se1 == 15.0(2)se2 == 12.2(55)se4 == 12.2(50)se5 == 12.2(50)se1 == 12.2(44)sq1 == 12.2(55)se3 == 15.2(1)ey == 12.2(33)sxi4b == 12.2(50)se2 == 15.3(2)s2 == 15.0(2)se1 == 15.0(2)se7 == 15.0(2)se6 == 15.3(3)ja == 12.4(25e)jap1m == 15.0(1)ey1 == 12.2(50)se == 15.0(1)ey2 == 12.2(52)se == 12.2(55)se6 == 15.0(2)se5 == 12.2(44)ex == 12.2(58)se2 == 15.0(2)ey3 == 12.2(55)se5 == 15.3(3)ja1m == 12.4(25e)jam1 == 12.2(50)se4
CVE-2015-0646	High	March 26, 2015 3/26/15	== 15.1 == 15.4 == 15.0 == 15.3 == 12.4 == 12.2 == 15.2
CVE-2015-0643	High	March 26, 2015 3/26/15	== 15.1 == 15.4 == 15.0 == 15.3 == 12.4 == 12.2 == 15.2
CVE-2015-0642	High	March 26, 2015 3/26/15	== 15.1 == 15.4 == 15.0 == 15.3 == 12.4 == 12.2 == 15.2
CVE-2015-0638	High	March 26, 2015 3/26/15	== 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.2(2)gc == 15.2(3)t == 15.2(2)jb1 == 12.4(25e)jaz1 == 15.2(2)jn2 == 15.2(2)t4 == 15.3(3)ja1n == 15.2(2)jax1 == 15.2(1)ex == 12.2(33)ird1 == 15.2(2)jn1 == 12.2(33)ire3 == 15.2(2)t2 == 15.2(2)jb3 == 15.2(2)jb4 == 15.2(2)ja == 12.2(44)sq1 == 15.2(2)t == 15.2(2)t3 == 12.2(33)sxi4b == 15.3(2)s2 == 15.2(2)ja1 == 12.4(25e)jap1m == 15.2(2)jb == 15.2(2)jax == 15.2(2)jb2 == 15.2(2)t1 == 12.4(25e)jam1
CVE-2015-0637	High	March 26, 2015 3/26/15	== 15.4(2)s2 == 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.4(1)s == 15.2(2)jb1 == 15.3(3)s3 == 15.4(1)s1 == 12.4(25e)jaz1 == 15.3(3)ja1n == 15.2(1)ex == 15.3(3)jnb == 12.2(33)ird1 == 15.4(1)s2 == 12.2(33)ire3 == 12.2(44)sq1 == 15.4(1)s3 == 15.4(2)s1 == 12.2(33)sxi4b == 15.3(3)s4 == 15.3(2)s2 == 15.4(2)s == 15.4(3)s == 12.4(25e)jap1m == 15.3(3)s1 == 15.3(3)s == 15.3(3)s2 == 12.4(25e)jam1
CVE-2015-0636	High	March 26, 2015 3/26/15	== 15.4(2)s2 == 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.4(1)s == 15.2(2)jb1 == 15.4(1)s1 == 12.4(25e)jaz1 == 15.3(3)ja1n == 15.2(1)ex == 15.3(3)jnb == 12.2(33)ird1 == 15.4(1)s2 == 12.2(33)ire3 == 12.2(44)sq1 == 15.4(1)s3 == 15.4(2)s1 == 12.2(33)sxi4b == 15.3(2)s2 == 15.4(2)s == 15.4(3)s == 12.4(25e)jap1m == 12.4(25e)jam1
CVE-2015-0635	High	March 26, 2015 3/26/15	== 15.4(2)s2 == 15.3(3)jn == 15.0(2)ed1 == 15.3(3)jab1 == 15.3(3)s5 == 15.4(1)s == 15.2(2)jb1 == 15.3(3)s3 == 15.4(1)s1 == 12.4(25e)jaz1 == 15.3(3)ja1n == 15.2(1)ex == 15.3(3)jnb == 12.2(33)ird1 == 15.4(1)s2 == 12.2(33)ire3 == 12.2(44)sq1 == 15.4(1)s3 == 15.4(2)s1 == 12.2(33)sxi4b == 15.3(3)s4 == 15.3(2)s2 == 15.4(2)s == 15.4(3)s == 12.4(25e)jap1m == 15.3(3)s1 == 15.3(3)s == 15.3(3)s2 == 12.4(25e)jam1
CVE-2015-0669	Medium	March 21, 2015 3/21/15	== 15.4s == 15.4(3)s
CVE-2015-0607	Low	March 6, 2015 3/6/15	== 15.4(2)t1 == 15.4(1)t2 == 15.4(2)t2 == 15.4(2)t3 == 15.4(1)t3 == 15.4(1)t == 15.4(2)t == 15.4(1)t1 == 15.4t == 15.4(1)t4 == 15.4(100)t
CVE-2015-0609	High	February 16, 2015 2/16/15	<= 15.4\(2\)t3 == 15.4(2)t1 == 15.4(1)t2 == 15.4(2)t2 == 15.4(1)t3 == 15.4(1)t == 15.4(2)t == 15.4(1)t1 == 15.4t == 15.4(1)t4
CVE-2015-0593	High	February 13, 2015 2/13/15	== 15.4(1.19)t == 15.4(1.12)t
CVE-2015-0610	Low	February 12, 2015 2/12/15	== 15.5(1)t1 == 15.5(1)t == 15.5t <= 15.5\(2\)t
CVE-2015-0608	High	February 12, 2015 2/12/15	<= 15.4\(2\)t3 == 15.4(2)t1 == 15.4(1)t2 == 15.4(2)t2 == 15.4(1)t3 == 15.4(1)t == 15.4(2)t == 15.4(1)t1 == 15.4t == 15.4(1)t4
CVE-2015-0592	High	February 12, 2015 2/12/15	<= 15.4\(2\)t3 == 15.4(2)t1 == 15.4(1)t2 == 15.4(2)t2 == 15.4(1)t3 == 15.4(1)t == 15.4(2)t == 15.4(1)t1 == 15.4t == 15.4(1)t4
CVE-2015-0586	High	January 28, 2015 1/28/15	<= 15.3\(100\)m
CVE-2014-3293	Medium	October 28, 2014 10/28/14	== 15.4(3)s0b
CVE-2014-3409	Medium	October 25, 2014 10/25/14	<= 12.2\(33\)sre9a
CVE-2014-3354	High	September 25, 2014 9/25/14	== 15.1 == 15.0 == 15.3 == 12.4 == 12.2 == 12.0 == 15.2
CVE-2014-3357	High	September 25, 2014 9/25/14	== 15.1 == 15.4 == 15.0 == 15.2
CVE-2014-3358	High	September 25, 2014 9/25/14	== 15.1 == 15.4 == 15.0 == 15.2
CVE-2014-3359	High	September 25, 2014 9/25/14	== 15.1 == 15.4 == 15.3 == 15.2
CVE-2014-3360	High	September 25, 2014 9/25/14	== 15.1 == 15.4 == 15.3 == 15.2
CVE-2014-3361	High	September 25, 2014 9/25/14	== 15.1 == 15.4 == 15.0 == 15.3 == 15.2

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Frequently Asked Questions

What is a Vulnerability (CVE) and why does it matter?

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.