Is CVE-2012-0027 in the CISA KEV catalog?

No. CVE-2012-0027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0027?

CVE-2012-0027 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2012-0027?

CVE-2012-0027 has an EPSS score of 4.99% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-0027?

Upgrade openssl on debian 11 to 1.0.0f-1 or later.

CVE & CISA-KEV Catalog

CVE-2012-0027

MEDIUMEPSS 91th pctl

5.0

CVSS v2

NVD

Description

The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service (daemon crash) via crafted data from a TLS client.

CWE-399Resource Management Errors

How to fix

Remediation Available

opensslDebian

Fixed in:1.0.0f-1CVE-2012-0027

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.99%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Vendor Advisory1

openssl.org

Other references6

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

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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.