TI-2012-01183 Aliases CVE-2012-1326 GHSA-w257-7vc6-7c8q

Improper input validation in Cisco IronPort Web Security Appliance

LOW 35CWE-20Published 2020-01-15 · Updated 2024-11-15

Key facts

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

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

Summary

Cisco IronPort Web Security Appliance up to and including 7.5 does not validate the basic constraints of the certificate authority which could lead to MITM attacks

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00657 51st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	IronPort Web Security Appliance	up to 7.5	—	No fix listed	CNA

IronPort Web Security Appliance VendorCisco Affected up to 7.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:ironport_web_security_appliance::::::::	up to 7.5	Vulnerable	Cisco

cpe:2.3:a:cisco:ironport_web_security_appliance:*:*:*:*:*:*:*:* Versions up to 7.5 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2012-1326
2026-10-03 Alias added: GHSA-w257-7vc6-7c8q
2026-10-11 EPSS moved to the 50th–90th percentile

References

Advisory 1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20120412-CVE-2012-1326

TI-2021-13747 Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability CVSS 3.1HIGH 8.6
TI-2021-01243 Cisco Content Security Management Appliance, Email Security Appliance, and Web Security… CVSS 3.1MEDIUM 6.5
TI-2012-00320 Improper input validation in Cisco IronPort Web Security Appliance AsyncOS CVSS 3.1MEDIUM 6.4
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

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