CVE-2010-4334
CVE-2010-4334 is a medium-severity vulnerability in Io-socket-ssl with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.0)
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-310
- Affected product: Io-socket-ssl
- Published:
- Last modified:
Description
The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.
Frequently asked questions
- What is CVE-2010-4334?
- The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.
- How severe is CVE-2010-4334?
- CVE-2010-4334 has a CVSS 2.0 base score of 4.0, rated medium severity.
- Is CVE-2010-4334 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2010-4334?
- CVE-2010-4334 affects Io-socket-ssl. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2010-4334?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2010-4334 published?
- CVE-2010-4334 was published on 2011-01-14 and last updated on 2026-06-16.
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606058
- http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.35/Changes
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052594.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052601.html
- http://osvdb.org/69626
- http://secunia.com/advisories/42508
- http://secunia.com/advisories/42757
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:092
- http://www.openwall.com/lists/oss-security/2010/12/09/8
- http://www.openwall.com/lists/oss-security/2010/12/24/1
- http://www.securityfocus.com/bid/45189
Affected products (1)
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.35:*:*:*:*:*:*:*
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