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TI-2012-00320 Aliases CVE-2012-0334GHSA-vwvh-jw4m-wvv2

Improper input validation in Cisco IronPort Web Security Appliance AsyncOS

Priority LOW 30CWE-20Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Cisco IronPort Web Security Appliance AsyncOS software prior to 7.5 has a SSL Certificate Caching vulnerability which could allow man-in-the-middle attacks

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed IronPort Web Security Appliance AsyncOS (Cisco): 7.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoIronPort Web Security Appliance AsyncOSbefore 7.57.5Patch availableCNA
  • IronPort Web Security Appliance AsyncOS VendorCisco Affected before 7.5 Fixed in 7.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:ironport_web_security_appliance:*:*:*:*:*:*:*:*before 7.5VulnerableCisco
  • cpe:2.3:a:cisco:ironport_web_security_appliance:*:*:*:*:*:*:*:* Versions before 7.5 Vulnerable ·Cisco

Remediation

  • Fix · CNA IronPort Web Security Appliance AsyncOS (Cisco) Fixed in 7.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-0334
  2. 2026-10-03 Alias added: GHSA-vwvh-jw4m-wvv2

References

  • TI-2021-13747 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability CVSS 3.1HIGH 8.6
  • TI-2012-01183 Improper input validation in Cisco IronPort Web Security Appliance CVSS 3.1HIGH 7.4
  • TI-2021-01243 Cisco Content Security Management Appliance, Email Security Appliance, and Web Security… CVSS 3.1MEDIUM 6.5
  • TI-2012-01180 Cisco IronPort Web Security Appliance does not check for certificate revocation which could lead to MITM attacks CVSS 3.1MEDIUM 5.9

Sources