CVE-2011-1429
Mutt does not verify that the smtps server hostname matches the domain name of the subject of an...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-1429- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-1429- Updated
- 2026-11-02
EUVDEUVD-2011-1434 No score
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.
- Record
EUVD-2011-1434- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h64v-56v4-2q6j No score
Mutt does not verify that the smtps server hostname matches the domain name of the subject of an...
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.
- Record
GHSA-h64v-56v4-2q6j- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVAZL-36964 No score
CVE-2011-1429 affecting package mutt 2.2.12-1
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.
- Record
AZL-36964- Updated
- 2026-11-05
OSVAZL-7291 No score
CVE-2011-1429 affecting package mutt 2.2.12-1
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.
- Record
AZL-7291- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-1429- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-1429 No score
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.
- Record
DEBIAN-CVE-2011-1429- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
muttAzure Linux:3 |
through 2.2.12-1 | None known |
muttAzure Linux:2 |
through 2.2.12-1 | None known |
muttDebian:12 |
before 1.5.21-5 | 1.5.21-5 |
muttDebian:13 |
before 1.5.21-5 | 1.5.21-5 |
muttDebian:14 |
before 1.5.21-5 | 1.5.21-5 |
muttRed Hat:enterprise_linux:6::server |
before 5:1.5.20-2.20091214hg736b6a.el6_1.1 | 5:1.5.20-2.20091214hg736b6a.el6_1.1 |
mutt-debuginfoRed Hat:enterprise_linux:6::server |
before 5:1.5.20-2.20091214hg736b6a.el6_1.1 | 5:1.5.20-2.20091214hg736b6a.el6_1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1429 is a medium vulnerability (CVSS 5.8) in Mutt, published March 16, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in mutt 1.5.21-5.
References
redhat.com/support/errata/RHSA-2011-0959.html
secunia.com/advisories/44937
securityreason.com/securityalert/8143
exchange.xforce.ibmcloud.com/vulnerabilities/66015
seclists.org/fulldisclosure/2011/Mar/87
lists.fedoraproject.org/pipermail/package-announce/2011-June/061356.html
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securityfocus.com/bid/46803
nvd.nist.gov/vuln/detail/CVE-2011-1429
github.com/advisories/GHSA-h64v-56v4-2q6j
security-tracker.debian.org/tracker/CVE-2011-1429
access.redhat.com/errata/RHSA-2011:0959
bugzilla.redhat.com/show_bug.cgi?id=688755
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0959.json
cve.org/CVERecord?id=CVE-2011-1429