Is CVE-2011-2667 in the CISA KEV catalog?

No. CVE-2011-2667 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2667?

CVE-2011-2667 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2011-2667?

CVE-2011-2667 has an EPSS score of 16.20% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-2667

HIGHEPSS 97th pctl

10.0

CVSS v2

NVD

Description

Icihttp.exe in CA Gateway Security for HTTP, as used in CA Gateway Security 8.1 before 8.1.0.69 and CA Total Defense r12, does not properly parse URLs, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and daemon crash) via a malformed request.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

16.20%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.