Is CVE-2009-3024 in the CISA KEV catalog?

No. CVE-2009-3024 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3024?

CVE-2009-3024 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2009-3024?

CVE-2009-3024 has an EPSS score of 1.00% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3024?

Upgrade libio-socket-ssl-perl on debian 11 to 1.30-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-3024

MEDIUM

4.3

CVSS v2

NVD

Description

The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.

CWE-310Cryptographic Issues

How to fix

Remediation Available

libio-socket-ssl-perlDebian

Fixed in:1.30-1CVE-2009-3024

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

1.00%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Other references8

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 2026-04-23.