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
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | dovecot | 2.0.11-r0, 2.0.11-r1, 2.0.12-r0 |
| Alpine:v3.19 | dovecot | 2.0.12-r0, 1.2.4-r1, 2.0.13-r1 |
| Alpine:v3.22 | dovecot | 2.2.33.2-r4, 1.1.11-r0, 1.1.11-r1 |
| Alpine:v3.15 | dovecot | 1.2.13-r0, 2.0.17-r1, 1.2.11-r5 |
| Alpine:v3.13 | dovecot | 2.1.6-r0, 2.3.9.3-r0, 2.3.9.2-r0 |
| Alpine:v3.17 | dovecot | 1.1.11-r1, 0, 1.1.11-r0 |
| Alpine:v3.14 | dovecot | 2.3.9.3-r0, 2.3.9.2-r0, 2.3.9-r0 |
| Alpine:v3.20 | dovecot | 2.3.11.3-r1, 0, 1.1.11-r1 |
| Alpine:v3.11 | dovecot | 2.0.2-r0, 2.0.2-r1, 2.0.4-r0 |
| Alpine:v3.12 | dovecot | 2.2.33.2-r3, 2.2.33.2-r4, 2.2.34-r0 |
| Alpine:v3.23 | dovecot | 2.1.7-r0, 2.3.9.3-r0, 2.3.9.2-r0 |
| Alpine:v3.21 | dovecot | 2.1.5-r0, 2.0.2-r1, 2.0.4-r0 |
| Alpine:v3.18 | dovecot | 2.2.34-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