VDB
ALPINE-CVE-2021-40438
ALPINE-CVE-2021-40438
PUBLISHED
CVSS 9 CRITICAL
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
Risk Scores
CVSS 3.1
9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.17 | apache2 | 2.4.12-r2, 2.4.12-r4, 2.4.16-r0 |
| Alpine:v3.19 | apache2 | 2.4.4-r0, 0, 2.2.16-r0 |
| Alpine:v3.16 | apache2 | 2.4.17-r7, 2.2.21-r3, 2.4.33-r0 |
| Alpine:v3.13 | apache2 | 2.4.37-r0, 2.4.37-r1, 2.4.38-r0 |
| Alpine:v3.12 | apache2 | 2.4.25-r1, 0, 0 |
| Alpine:v3.14 | apache2 | 0, 0, 2.4.9-r1 |
| Alpine:v3.21 | apache2 | 2.2.17-r5, 2.2.20-r0, 2.2.21-r0 |
| Alpine:v3.18 | apache2 | 2.4.46-r2, 0, 2.2.16-r0 |
| Alpine:v3.24 | apache2 | 0, 0 |
| Alpine:v3.22 | apache2 | 0, 2.2.16-r3, 2.2.17-r1 |
| Alpine:v3.11 | apache2 | 2.2.16-r0, 0, 0 |
| Alpine:v3.15 | apache2 | 2.2.21-r0, 2.2.16-r1, 2.2.16-r3 |
| Alpine | apache2 | |
| Alpine:v3.23 | apache2 | 2.2.16-r3, 2.2.17-r0, 2.2.17-r1 |
| Alpine:v3.20 | apache2 | 2.2.16-r0, 2.4.46-r1, 2.4.41-r0 |
Timeline
- Sep 16, 2021 CVE Published
- Jun 15, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch