Auth bypass in Mailpile

CVE-2018-20954

The "Security and Privacy" Encryption feature in Mailpile before 1.0.0rc4 does not exclude disabled, revoked, and expired keys.

Vulnerability class: Broken Authentication

EPSS: 0.011 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Mailpile — versions 0.5.0, 0.5.1, 0.5.2
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20954?: CVE-2018-20954 is a high-severity vulnerability in Mailpile, classified under Improper Authentication. CVSS score: 7.5/10. Published 2019-08-08.
How severe is CVE-2018-20954?: High severity. CVSS v3 base score is 7.5 out of 10.