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.

393,392

Total vulnerabilities in the database

Vulnerabilities for products matching "ios_xr"

Found 1 matching product.

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

cisco / ios_xr

193 vulnerabilities found

Title	Severity	Date	Affected versions
CVE-2014-3376	Medium	September 20, 2014 9/20/14	`= 2.0` `= 3.0` `= 3.0.1` `= 3.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.4` `= 3.2.50` `= 3.3` `= 3.3.1` `= 3.3.2` `= 3.3.3` `= 3.3.4` `= 3.3.5` `= 3.4` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.1` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0` `= 3.8.1` `= 3.8.2` `= 3.8.3` `= 3.8.4` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.0.3` `= 4.0.4` `= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0` `= 4.3.0` `= 4.3.1` `= 4.3.2` `= 4.3.4` `= 5.1.0`
CVE-2014-3377	Medium	September 20, 2014 9/20/14	`= 2.0` `= 3.0` `= 3.0.1` `= 3.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.4` `= 3.2.50` `= 3.3` `= 3.3.1` `= 3.3.2` `= 3.3.3` `= 3.3.4` `= 3.3.5` `= 3.4` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.1` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0` `= 3.8.1` `= 3.8.2` `= 3.8.3` `= 3.8.4` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.0.3` `= 4.0.4` `= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0` `= 4.3.0` `= 4.3.1` `= 4.3.2` `= 4.3.4` `= 5.1.0`
CVE-2014-3378	Medium	September 20, 2014 9/20/14	`= 2.0` `= 3.0` `= 3.0.1` `= 3.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.4` `= 3.2.50` `= 3.3` `= 3.3.1` `= 3.3.2` `= 3.3.3` `= 3.3.4` `= 3.3.5` `= 3.4` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.1` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0` `= 3.8.1` `= 3.8.2` `= 3.8.3` `= 3.8.4` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.0.3` `= 4.0.4` `= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0` `= 4.3.0` `= 4.3.1` `= 4.3.2` `= 4.3.4` `= 5.1.0`
CVE-2014-3343	Medium	September 10, 2014 9/10/14	`= 5.1.0`
CVE-2014-3353	High	September 4, 2014 9/4/14	`<= 4.3.2` `= 4.3.0` `= 4.3.1`
CVE-2014-3335	Medium	August 26, 2014 8/26/14	`<= 4.3.2` `= 4.3.0` `= 4.3.1`
CVE-2014-3322	Medium	July 24, 2014 7/24/14	`<= 4.3.2` `= 4.3.0` `= 4.3.1`
CVE-2014-3321	Medium	July 18, 2014 7/18/14	`<= 4.3.4` `= 4.3.0` `= 4.3.1` `= 4.3.2`
CVE-2014-2176	High	June 14, 2014 6/14/14	`= 4.1.2` `= 4.2.0` `= 4.3.1` `= 5.1.0` `= 5.1.1`
CVE-2014-3270	Medium	May 20, 2014 5/20/14	`All versions`
CVE-2014-3271	Medium	May 20, 2014 5/20/14	`All versions`
CVE-2014-2144	Medium	April 5, 2014 4/5/14	`All versions`
CVE-2013-6700	Medium	November 29, 2013 11/29/13	`All versions`
CVE-2013-5565	Medium	November 8, 2013 11/8/13	`= 5.1.0`
CVE-2013-5549	High	October 25, 2013 10/25/13	`= 3.8.1` `= 3.8.2` `= 3.8.3` `= 3.8.4` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.0.3` `= 4.0.4` `= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0`
CVE-2013-5503	High	October 2, 2013 10/2/13	`= 4.3.1`
CVE-2013-5498	Medium	September 27, 2013 9/27/13	`All versions`
CVE-2013-3470	Medium	August 30, 2013 8/30/13	`All versions`
CVE-2013-3464	Medium	August 13, 2013 8/13/13	`= 2.0(.0)` `= 3.0(.0)` `= 3.0(.1)` `= 3.2(.0)` `= 3.2(.1)` `= 3.2(.2)` `= 3.2(.3)` `= 3.2(.4)` `= 3.2(.6)` `= 3.2(.50)` `= 3.3(.0)` `= 3.3(.1)` `= 3.3(.2)` `= 3.3(.3)` `= 3.3(.4)` `= 3.4(.0)` `= 3.4(.1)` `= 3.4(.2)` `= 3.4(.3)` `= 3.5(.0)` `= 3.5(.1)` `= 3.5(.2)` `= 3.5(.3)` `= 3.5(.4)` `= 3.6(.1)` `= 3.6(.2)` `= 3.6(.3)` `= 3.6_base` `= 3.7(.1)` `= 3.7(.2)` `= 3.7(.3)` `= 3.7_base` `= 3.8(.0)` `= 3.8(.1)` `= 3.8(.2)` `= 3.8(.3)` `= 3.8(.4)` `= 3.9(.0)` `= 3.9(.1)` `= 3.9(.2)` `= 4.0(.0)` `= 4.0(.1)` `= 4.0(.2)` `= 4.0(.3)` `= 4.0(.4)` `= 4.0(.11)` `= 4.0_base` `= 4.1(.0)` `= 4.1(.1)` `= 4.1(.2)` `= 4.1_base` `= 4.2(.0)` `= 4.2(.1)` `= 4.2(.2)` `= 4.2(.3)` `= 4.2(.4)` `= 4.3(.0)`
CVE-2013-1204	Medium	May 23, 2013 5/23/13	`All versions`
CVE-2013-1234	Medium	May 3, 2013 5/3/13	`All versions`
CVE-2013-1216	Medium	April 29, 2013 4/29/13	`All versions`
CVE-2013-1162	Medium	March 26, 2013 3/26/13	`All versions`
CVE-2012-4617	High	September 27, 2012 9/27/12	`= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0` `= 4.2.1` `= 4.2.2`
CVE-2012-2488	High	May 31, 2012 5/31/12	`<= 4.2.0` `= 4.0.3` `= 4.0.4` `= 4.1` `= 4.1.1` `= 4.1.2` `= 4.2.0`
CVE-2011-3295	High	May 2, 2012 5/2/12	`= 3.8.0` `= 3.8.1` `= 3.8.2` `= 3.8.3` `= 3.8.4` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.0.3` `= 4.0.4` `= 4.1`
CVE-2011-2549	High	July 28, 2011 7/28/11	`= 4.1.0`
CVE-2011-1651	High	May 31, 2011 5/31/11	`= 3.0` `= 3.9.0` `= 3.9.1` `= 3.9.2` `= 4.0.0` `= 4.0.1` `= 4.0.2` `= 4.1`
CVE-2011-0943	High	May 31, 2011 5/31/11	`= 3.8.3` `= 3.8.4` `= 3.9.1`
CVE-2011-0949	High	May 31, 2011 5/31/11	`= 3.6.0` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.8.0` `= 3.8.1` `= 3.8.2` `= 3.9.0`
CVE-2010-3035	High	August 30, 2010 8/30/10	`>= 3.4.0, <= 3.9.1`
CVE-2010-0576	High	March 25, 2010 3/25/10	`= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.4` `= 3.2.50` `= 3.3.0` `= 3.3.1` `= 3.3.2` `= 3.3.3` `= 3.3.4` `= 3.3.5` `= 3.4.0` `= 3.4.1` `= 3.4.2` `= 3.4.3`
CVE-2010-0137	High	January 21, 2010 1/21/10	`= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6.0` `= 3.6.1` `= 3.7.0`
CVE-2009-1154	Low	August 21, 2009 8/21/09	`<= 3.8.1` `= 3.4` `= 3.4.0` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6.0` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7.0` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0`
CVE-2009-2056	Low	August 21, 2009 8/21/09	`<= 3.8.1` `= 3.0` `= 3.0.1` `= 3.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.3` `= 3.2.4` `= 3.2.50` `= 3.3` `= 3.4` `= 3.4.0` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6` `= 3.6.0` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7` `= 3.7.0` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0`
CVE-2009-2055	Medium	August 19, 2009 8/19/09	`= 3.4` `= 3.4.0` `= 3.4.1` `= 3.4.2` `= 3.4.3` `= 3.5` `= 3.5.2` `= 3.5.3` `= 3.5.4` `= 3.6.0` `= 3.6.1` `= 3.6.2` `= 3.6.3` `= 3.7.0` `= 3.7.1` `= 3.7.2` `= 3.7.3` `= 3.8.0` `= 3.8.1`
CVE-2009-0637	High	March 27, 2009 3/27/09	`= 12.4`
CVE-2009-0629	Medium	March 27, 2009 3/27/09	`= 12.4`
CVE-2008-1159	High	May 22, 2008 5/22/08	`All versions` `= 12.4`
CVE-2007-4430	Medium	August 20, 2007 8/20/07	`All versions` `= 2.0` `= 3.0` `= 3.1` `= 3.2` `= 3.3` `= 3.4`
CVE-2006-1927	Medium	April 20, 2006 4/20/06	`= 3.0.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.3` `= 3.2.4` `= 3.2.50`
CVE-2006-1928	Medium	April 20, 2006 4/20/06	`= 3.0.1` `= 3.1.0` `= 3.2` `= 3.2.1` `= 3.2.2` `= 3.2.3` `= 3.2.4` `= 3.2.50`
CVE-2005-2451	Low	August 3, 2005 8/3/05	`= 3.0.1` `= 3.1.0`

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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.