perl-IO-Socket-SSL: ignores user request for peer verification
Published Jan 14, 2011
4.0
MEDIUMCVSS 2.0
EPSS 1.78%
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.
Affected products
No data.
- 1.35
No data.
Red Hat Enterprise Linux 5
perl-IO-Socket-SSL
Not affected
Red Hat Enterprise Linux 6
perl-IO-Socket-SSL
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | perl-IO-Socket-SSL | Not affected | n/a |
| Red Hat Enterprise Linux 6 | perl-IO-Socket-SSL | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect perl-IO-Socket-SSL version as shipped with Red Hat Enterprise Linux 5. Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.78% (0.01777) | 77.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.78% (0.01777) | 75.25th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.93% (0.00934) | 74.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.21% (0.02210) | 74.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.52% (0.00524) | 64.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00422) | 75.08th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00422) | 73.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00422) | 70.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (15)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606058 x_refsource_CONFIRMPatch
- http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.35/Changes x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052594.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052601.html vendor-advisoryx_refsource_FEDORA
- http://osvdb.org/69626 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/42508 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/42757 third-party-advisoryx_refsource_SECUNIA
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:092 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2010/12/09/8 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2010/12/24/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/45189 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2010-4334 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=660847 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-4334
- https://www.cve.org/CVERecord?id=CVE-2010-4334
Change history (0)
No recorded changes yet.