How severe is CVE-2012-0334?

CVE-2012-0334 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2012-0334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0334?

CVE-2012-0334 affects Cisco Ironport Web Security Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-0334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0334 published?

CVE-2012-0334 was published on 2020-01-15 and last updated on 2026-06-16.

CVE-2012-0334

CVE-2012-0334 is a medium-severity vulnerability in Cisco Ironport Web Security Appliance with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 3.2
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ironport Web Security Appliance
Published: 2020-01-15
Last modified: 2026-06-16

Description

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

Frequently asked questions

What is 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
How severe is CVE-2012-0334?: CVE-2012-0334 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2012-0334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0334?: CVE-2012-0334 affects Cisco Ironport Web Security Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-0334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0334 published?: CVE-2012-0334 was published on 2020-01-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cisco:ironport_web_security_appliance:*:*:*:*:*:*:*:*

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