CVE-2011-1429
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.47% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 73.5% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-03-16 22:00Z15 YR AGO
- Last updated
- 2024-08-06 22:28Z2 YR AGO
- Reserved
- 2011-03-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 2a9cf07a94ab9ef7493ddfa29a62cbc81ffe6e28d71bc4003ad871468ce4cb30
05 Affected products
06 References
- www.redhat.comRHSA-2011:0959http://www.redhat.com/support/errata/RHSA-2011-0959.html
- secunia.com44937http://secunia.com/advisories/44937
- securityreason.com8143http://securityreason.com/securityalert/8143
- exchange.xforce.ibmcloud.commutt-smtptls-weak-security(66015)https://exchange.xforce.ibmcloud.com/vulnerabilities/66015
- seclists.org20110308 Mutt: failure to check server certificate in SMTP TLS connectionhttp://seclists.org/fulldisclosure/2011/Mar/87
- lists.fedoraproject.orgFEDORA-2011-7751http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061356.html
- lists.fedoraproject.orgFEDORA-2011-7739http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061353.html
- lists.fedoraproject.orgFEDORA-2011-7756http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061461.html
- www.securityfocus.com46803http://www.securityfocus.com/bid/46803
07 Fixed in
Debian 12
- mutt Fixed in 1.5.21-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- mutt Fixed in 1.5.21-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- mutt Fixed in 1.5.21-5
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.