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.

EPSS: 0.009 (56.8th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.