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TI-2016-01188 Aliases CVE-2016-1296GHSA-6jg2-9jcr-443r

The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055…

Priority LOW 37CWE-254Published · Updated

Key facts

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

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

Summary

The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.

Why it matters now

EPSS 0.02082 81st 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:cisco:web_security_appliance:8.5.3-055:*:*:*:*:*:*:*8.5.3-055VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:*9.1.0-000VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.5.0-235:*:*:*:*:*:*:*9.5.0-235VulnerableCisco
  • cpe:2.3:a:cisco:web_security_appliance:8.5.3-055:*:*:*:*:*:*:* Versions 8.5.3-055 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.1.0-000:*:*:*:*:*:*:* Versions 9.1.0-000 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.5.0-235:*:*:*:*:*:*:* Versions 9.5.0-235 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-1296
  2. 2026-10-03 Alias added: GHSA-6jg2-9jcr-443r

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