Is CVE-2011-5095 in the CISA KEV catalog?

No. CVE-2011-5095 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-5095?

CVE-2011-5095 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2011-5095?

CVE-2011-5095 has an EPSS score of 2.09% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-5095?

Upgrade openssl on debian 11 to 0.9.8a-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-5095

MEDIUMEPSS 79th pctl

4.0

CVSS v2

NVD

Description

The Diffie-Hellman key-exchange implementation in OpenSSL 0.9.8, when FIPS mode is enabled, does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-1923.

CWE-310Cryptographic Issues

How to fix

Remediation Available

opensslDebian

Fixed in:0.9.8a-1CVE-2011-5095

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

2.09%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-310 (Cryptographic Issues) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3566	Low	3.4	100%	-	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2015-0204	Medium	4.3	99%	-	Fix
CVE-2016-2107	Medium	5.9	89%	-	Fix
CVE-2016-0800	Medium	5.9	82%	-	Fix
CVE-2014-8684	Critical	9.8	72%	-	-

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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.