Is CVE-2010-2951 in the CISA KEV catalog?

No. CVE-2010-2951 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-2951?

CVE-2010-2951 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2010-2951?

CVE-2010-2951 has an EPSS score of 31.46% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2010-2951

MEDIUMEPSS 98th pctl

5.0

CVSS v2

NVD

Description

dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors that trigger an IPv4 DNS response with the TC bit set.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

31.46%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% 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.