Is CVE-2012-0388 being actively exploited?

CVE-2012-0388 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-0388?

CVE-2012-0388 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2012-0388

HIGH · CVSS 7.8EPSS 1.5%EU EUVD

Memory leak in the H.323 inspection feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed transit H.323 traffic, aka Bug ID CSCtq45553.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-399
EPSS score: 1.5% (74th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0424)
Published: March 29, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0424 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / ios
cisco / ios
cisco / ios
cisco / ios

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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