Server-Side Request Forgery (SSRF) Affecting apache2 package, versions <2.4.49-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

Exploit Maturity
Mature
EPSS
96.7% (100th percentile)

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  • Snyk IDSNYK-ALPINE313-APACHE2-1655578
  • published20 Sept 2021
  • disclosed16 Sept 2021

Introduced: 16 Sep 2021

CVE-2021-40438  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade Alpine:3.13 apache2 to version 2.4.49-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Alpine. See How to fix? for Alpine:3.13 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1