Vulnerability in Fetchmail
CVE-2021-39272
Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Fetchmail
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
References
- www.fetchmail.info/security.html (Vendor Advisory)
- nostarttls.secvuln.info/ (Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/08/27/3 (Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202209-14 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39272?
- CVE-2021-39272 is a medium-severity vulnerability in Fetchmail, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2021-08-30.
- How severe is CVE-2021-39272?
- Medium severity. CVSS v3 base score is 5.9 out of 10.