mutt: SSL host name check may be skipped when verifying certificate chain
Published Mar 16, 2011
5.8
MEDIUMCVSS 2.0
EPSS 1.47%
Description
Mutt does not verify that the smtps server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL SMTP server via an arbitrary certificate, a different vulnerability than CVE-2009-3766.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
mutt-5:1.5.20-2.20091214hg736b6a.el6_1.1
Fixed · RHSA-2011:0959
Red Hat Enterprise Linux 4
mutt
Not affected
Red Hat Enterprise Linux 5
mutt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | mutt-5:1.5.20-2.20091214hg736b6a.el6_1.1 | Fixed | RHSA-2011:0959 |
| Red Hat Enterprise Linux 4 | mutt | Not affected | n/a |
| Red Hat Enterprise Linux 5 | mutt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:M/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.47% (0.01475) | 72.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.47% (0.01475) | 70.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.73% (0.00734) | 71.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00264) | 66.54th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00264) | 65.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00264) | 62.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (13)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061353.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061356.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061461.html vendor-advisoryx_refsource_FEDORA
- http://seclists.org/fulldisclosure/2011/Mar/87 mailing-listx_refsource_FULLDISCPatch
- http://secunia.com/advisories/44937 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/8143 third-party-advisoryx_refsource_SREASON
- http://www.redhat.com/support/errata/RHSA-2011-0959.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/46803 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2011-1429 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=688755 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66015 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-1429
- https://www.cve.org/CVERecord?id=CVE-2011-1429
Change history (0)
No recorded changes yet.