CVE-2021-40438
high
KEV
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
Important: httpd:2.4 security update
CISA KEV
- Vendor
- Apache
- Product
- Apache
- Due date
- 2021-12-15
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2021-3816.html
Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-40438
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3816
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:4537
Vendor advisory: rocky — https://errata.rockylinux.org/RLBA-2021:4604
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-40438.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-40438
Exploits
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.4.49-1 |
| debian | bullseye | fixed | 2.4.51-1~deb11u1 |
| debian | forky | fixed | 2.4.49-1 |
| debian | sid | fixed | 2.4.49-1 |
| debian | trixie | fixed | 2.4.49-1 |
| arch | fixed | 2.4.49-1 | |
| sles | affected | | |
| rocky | 8 | fixed | |
References
- https://security-tracker.debian.org/tracker/CVE-2021-40438
- https://www.suse.com/security/cve/CVE-2021-40438.html
- https://errata.rockylinux.org/RLBA-2021:4604
- https://errata.rockylinux.org/RLSA-2021:4537
- https://errata.rockylinux.org/RLSA-2021:3816
- https://nvd.nist.gov/vuln/detail/CVE-2021-40438
- https://errata.almalinux.org/8/ALSA-2021-3816.html
Verify integrity in audit chain (admin only). AS-IS.