Microsoft security update for CVE-2021-40438
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40438. This page also shows what EchelonGraph holds for CVE-2021-40438, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products2
- cbl2 httpd 2.4.52-1 on CBL Mariner 2.0
- cm1 httpd 2.4.49-1 on CBL Mariner 1.0
✅ Updates Microsoft lists: 2 updates
2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | 2.4.49-1 |
| — | Security Update | 2.4.52-1 |
🧭 EchelonGraph on CVE-2021-40438
- EchelonGraph score
- 9.0 CRITICAL
- CISA KEV
- Listed since December 1, 2021
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
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.
Published by Apache Software Foundation, the CVE Numbering Authority that assigned CVE-2021-40438, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).