Is CVE-2011-3599 in the CISA KEV catalog?

No. CVE-2011-3599 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3599?

CVE-2011-3599 has a CVSS v2 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2011-3599?

CVE-2011-3599 has an EPSS score of 1.96% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-3599?

Upgrade libcrypt-dsa-perl on debian 11 to 1.17-3 or later.

CVE & CISA-KEV Catalog

CVE-2011-3599

MEDIUMEPSS 78th pctl

5.8

CVSS v2

NVD

Description

The Crypt::DSA (aka Crypt-DSA) module 1.17 and earlier for Perl, when /dev/random is absent, uses the Data::Random module, which makes it easier for remote attackers to spoof a signature, or determine the signing key of a signed message, via a brute-force attack.

CWE-310Cryptographic Issues

How to fix

Remediation Available

libcrypt-dsa-perlDebian

Fixed in:1.17-3CVE-2011-3599

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

1.96%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch4

Vendor Advisory1

secunia.com

Other references2

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.