CVE-2021-42013
apacheVulnerabilityCVSS 9.8PatchedPoC
A public proof-of-concept or exploit code is available, raising the risk of active exploitation. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 9.8 CRITICAL · CVSS 2.0 : 7.5 HIGH
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Arch | apache | 2.4.50-1 | 2.4.51-1 | fixed |
| Debian:12 | apache2 | - | 2.4.51-1 | fixed |
| Debian:13 | apache2 | - | 2.4.51-1 | fixed |
| Debian:14 | apache2 | - | 2.4.51-1 | fixed |
| openSUSE:Tumbleweed | apache2 | - | 2.4.51-1.1 | fixed |