What is CVE-2012-0334?

CVE-2012-0334 is a medium-severity vulnerability in Cisco Ironport Web Security Appliance, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2020-01-15.

How severe is CVE-2012-0334?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Improper input validation in Cisco Ironport Web Security Appliance

CVE-2012-0334

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

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-01-15 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cisco Ironport Web Security Appliance
Cisco Ironport Web Security Appliance Asyncos — versions prior to 7.5

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/52981 (VDB Entry, Third Party Advisory)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20120412… (Vendor Advisory)

Frequently asked questions

What is CVE-2012-0334?: CVE-2012-0334 is a medium-severity vulnerability in Cisco Ironport Web Security Appliance, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2020-01-15.
How severe is CVE-2012-0334?: Medium severity. CVSS v3 base score is 6.4 out of 10.