Vulnerability in Modwsgi Mod Wsgi
CVE-2022-2255
A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Modwsgi Mod Wsgi
- Debian Linux — versions 10.0
- Mod Wsgi — versions mod_wsgi versions prior to 4.9.3
Weakness classification (CWE)
References
- modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html (Third Party Advisory, Release Notes)
- github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c (Exploit, Third Party Advisory)
- github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2255?
- CVE-2022-2255 is a high-severity vulnerability in Modwsgi Mod Wsgi, classified under CWE-348. CVSS score: 7.5/10. Published 2022-08-25.
- How severe is CVE-2022-2255?
- High severity. CVSS v3 base score is 7.5 out of 10.