CVE-2022-31813
mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism
9.8
CRITICAL
CVSS 3.1
EPSS 0.05%
Description
Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on the origin server/application.
How to fix CVE-2022-31813
To remediate CVE-2022-31813, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.54-r0 or later
- —upgrade to 2.4.54 or later
- —upgrade to 2.4.54-1~deb11u1 or later
Is CVE-2022-31813 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.4.54-r0
- from 0, < 2.4.54
- from 0, < 2.4.54-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |