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TI-2017-04506 Aliases CVE-2017-6751GHSA-78hh-rj37-p22v

Improper input validation in Cisco Web Security Appliance

Priority LOW 37CWE-20Published · 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 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to forward traffic from the web proxy interface of an affected device to the administrative management interface of an affected device, aka an Access Control Bypass Vulnerability. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88863. Known Affected Releases: 10.1.0-204 9.0.0-485.

Why it matters now

EPSS 0.01963 80th 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 · 10

CPEVersionsRoleVendor
cpe:2.3:a:cisco:web_security_appliance:9.0.0-162:*:*:*:*:*:*:*9.0.0-162VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:*9.0.0-193VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:9.0.0-485:*:*:*:*:*:*:*9.0.0-485VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*10.0.0-232VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:10.0.0-233:*:*:*:*:*:*:*10.0.0-233VulnerableCisco
cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:*10.1.0-204VulnerableCisco
cpe:2.3:a:cisco:web_security_virtual_appliance:9.0.0:*:*:*:*:*:*:*9.0.0VulnerableCisco
cpe:2.3:a:cisco:web_security_virtual_appliance:10.0.0:*:*:*:*:*:*:*10.0.0VulnerableCisco
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.0:*:*:*:*:*:*:*10.1.0VulnerableCisco
cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.1:*:*:*:*:*:*:*10.1.1VulnerableCisco
  • cpe:2.3:a:cisco:web_security_appliance:9.0.0-162:*:*:*:*:*:*:* Versions 9.0.0-162 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.0.0-193:*:*:*:*:*:*:* Versions 9.0.0-193 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:9.0.0-485:*:*:*:*:*:*:* Versions 9.0.0-485 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:* Versions 10.0.0-232 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:10.0.0-233:*:*:*:*:*:*:* Versions 10.0.0-233 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_appliance:10.1.0-204:*:*:*:*:*:*:* Versions 10.1.0-204 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_virtual_appliance:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_virtual_appliance:10.0.0:*:*:*:*:*:*:* Versions 10.0.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.0:*:*:*:*:*:*:* Versions 10.1.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:web_security_virtual_appliance:10.1.1:*:*:*:*:*:*:* Versions 10.1.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6751
  2. 2026-10-03 Alias added: GHSA-78hh-rj37-p22v

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