CVE-2017-3870
5.8 · MEDIUMOverview
CVE-2017-3870 is a medium-severity vulnerability affecting cisco web_security_appliance. It was published on March 17, 2017 and has a CVSS 3.0 base score of 5.8 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A vulnerability in the URL filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured URL filter rule. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA), both virtual and hardware appliances, that are configured with URL filters for email scanning. More Information: CSCvc69700. Known Affected Releases: 8.5.3-069 9.1.1-074 9.1.2-010.
Remediation
Check the references section for vendor advisories and patches from cisco. Update web_security_appliance to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2017-3870?
CVE-2017-3870 is a medium-severity vulnerability affecting cisco web_security_appliance. It was published on March 17, 2017 and has a CVSS 3.0 base score of 5.8 (MEDIUM).
How severe is CVE-2017-3870?
This vulnerability has a CVSS 3.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-3870?
Check the references section for vendor advisories and patches from cisco. Update web_security_appliance to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-3870?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-3870 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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