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TI-2017-02966 Aliases CVE-2017-3870GHSA-cx22-cj62-6f44

Memory corruption in Cisco Web Security Appliance

Priority LOW 29CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01525 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco Web Security ApplianceCisco Web Security Appliance—No fix listedCNA
  • Cisco Web Security Appliance Vendor— Affected Cisco Web Security Appliance Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:cisco:web_security_appliance:8.5.3-069:*:*:*:*:*:*:*8.5.3-069VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.1.1-074:*:*:*:*:*:*:*9.1.1-074VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.1.2-010:*:*:*:*:*:*:*9.1.2-010VulnerableCisco
  • cpe:2.3:a:cisco:web_security_appliance:8.5.3-069:*:*:*:*:*:*:* Versions 8.5.3-069 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.1.1-074:*:*:*:*:*:*:* Versions 9.1.1-074 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.1.2-010:*:*:*:*:*:*:* Versions 9.1.2-010 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-3870
  2. 2026-10-03 Alias added: GHSA-cx22-cj62-6f44

References

Advisory 1

  • TI-2023-06741 Buffer overflow in Cisco Secure Web Appliance CVSS 3.1CRITICAL 9.8
  • TI-2018-00369 Uncontrolled resource consumption in Cisco AsyncOS Software for Cisco Web Security… CVSS 3.0HIGH 8.6
  • TI-2019-01508 Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability CVSS 3.1HIGH 8.6
  • TI-2018-00312 A vulnerability in traffic-monitoring functions in Cisco Web Security Appliance (WSA)… CVSS 3.0HIGH 7.5
  • TI-2021-01086 Cisco Web Security Appliance Privilege Escalation Vulnerability CVSS 3.1HIGH 8.8
  • TI-2019-11999 Cisco Web Security Appliance Unauthorized Device Reset Vulnerability CVSS 3.1HIGH 8.8
See all 64 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences