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TI-2016-05546 Aliases CVE-2016-6465GHSA-wff9-q6wf-8f5q

Improper input validation in Cisco AsyncOS

Priority LOW 23CWE-20Published · Updated

Key facts

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

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

Summary

A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances and Cisco Web Security Appliances could allow an unauthenticated, remote attacker to bypass user filters that are configured for an affected device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of the following Cisco products: Cisco Email Security Appliances (ESAs) that are configured to use message or content filters that scan incoming email attachments; Cisco Web Security Appliances (WSAs) that are configured to use services that scan accessed web content. More Information: CSCva90076, CSCvb06764. Known Affected Releases: 10.0.0-125 8.5.7-042 9.7.2-047.

Why it matters now

EPSS 0.01556 75th 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 AsyncOSCisco AsyncOS—No fix listedCNA
  • Cisco AsyncOS Vendor— Affected Cisco AsyncOS Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:cisco:email_security_appliance:8.5.7-042:*:*:*:*:*:*:*8.5.7-042VulnerableCisco
cpe:2.3:a:cisco:email_security_appliance:9.7.2-047:*:*:*:*:*:*:*9.7.2-047VulnerableCisco
cpe:2.3:a:cisco:email_security_appliance:10.0.0-125:*:*:*:*:*:*:*10.0.0-125VulnerableCisco
cpe:2.3:a:cisco:email_security_appliance:10.0.0-232:*:*:*:*:*:*:*10.0.0-232VulnerableCisco
  • cpe:2.3:a:cisco:email_security_appliance:8.5.7-042:*:*:*:*:*:*:* Versions 8.5.7-042 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:email_security_appliance:9.7.2-047:*:*:*:*:*:*:* Versions 9.7.2-047 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:email_security_appliance:10.0.0-125:*:*:*:*:*:*:* Versions 10.0.0-125 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:email_security_appliance:10.0.0-232:*:*:*:*:*:*:* Versions 10.0.0-232 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6465
  2. 2026-10-03 Alias added: GHSA-wff9-q6wf-8f5q

References

Advisory 1

  • TI-2022-05357 Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-01567 Cisco Email Security Appliance Denial of Service Vulnerability CVSS 3.1HIGH 8.6
  • TI-2018-00378 Improper input validation in Cisco Email Security Appliance CVSS 3.0HIGH 7.5
  • TI-2020-02695 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.1HIGH 7.5
  • TI-2019-01541 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.5
  • TI-2019-01553 Cisco Email Security Appliance Content Filter Bypass Vulnerability CVSS 3.0HIGH 7.4
See all 49 →

Sources

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