VDB

ALPINE-CVE-2021-29157

ALPINE-CVE-2021-29157 PUBLISHED CVSS 5.5 MEDIUM

Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Products

VendorProductVersions
Alpine:v3.16dovecot2.0.11-r0, 2.0.11-r1, 2.0.12-r0
Alpine:v3.19dovecot2.0.12-r0, 1.2.4-r1, 2.0.13-r1
Alpine:v3.22dovecot2.2.33.2-r4, 1.1.11-r0, 1.1.11-r1
Alpine:v3.15dovecot1.2.13-r0, 2.0.17-r1, 1.2.11-r5
Alpine:v3.13dovecot2.1.6-r0, 2.3.9.3-r0, 2.3.9.2-r0
Alpine:v3.17dovecot1.1.11-r1, 0, 1.1.11-r0
Alpine:v3.14dovecot2.3.9.3-r0, 2.3.9.2-r0, 2.3.9-r0
Alpine:v3.20dovecot2.3.11.3-r1, 0, 1.1.11-r1
Alpine:v3.11dovecot2.0.2-r0, 2.0.2-r1, 2.0.4-r0
Alpine:v3.12dovecot2.2.33.2-r3, 2.2.33.2-r4, 2.2.34-r0
Alpine:v3.23dovecot2.1.7-r0, 2.3.9.3-r0, 2.3.9.2-r0
Alpine:v3.21dovecot2.1.5-r0, 2.0.2-r1, 2.0.4-r0
Alpine:v3.18dovecot2.2.34-r3, 2.1.3-r0, 2.2.1-r0

Timeline

  • Jun 28, 2021 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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