Is CVE-2012-3817 in the CISA KEV catalog?

No. CVE-2012-3817 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-3817?

CVE-2012-3817 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2012-3817?

CVE-2012-3817 has an EPSS score of 27.38% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-3817

HIGHEPSS 98th pctl

7.8

CVSS v2

NVD

Description

ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

27.38%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.