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CVE-2022-24801

27
FAUCET Score

CVE-2022-24801 is a high-severity vulnerability affecting the Twisted Web HTTP 1.1 server, present in products like Debian, Fedora, and Oracle, where it leniently parses HTTP requests. This non-conformant parsing can lead to HTTP request smuggling if requests pass through multiple HTTP parsers. The vulnerability has a CVSS score of 8.1, indicating a high potential for impact (confidentiality, integrity, and availability) with a network attack vector and high attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.4.0CPE matchmatch criteria
cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
8.8CPE matchmatch criteria
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.80%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0280 is in the 43rd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

github_advisorypatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: cm1 python-twisted 20.3.0-3 on CBL Mariner 1.0Fixed in: 20.3.0-3
microsoftpatch availablevia msrc
Product: 18748-16820Fixed in: 20.3.0-3
microsoftpatch availablevia msrc
Product: 18749-16823Fixed in: 22.10.0-1
microsoftpatch availablevia msrc
Product: cbl2 python-twisted 22.10.0-1 on CBL Mariner 2.0Fixed in: 22.10.0-1
oraclepatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: twistedFixed in: 22.4.0
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: python-twisted-0:16.4.1-20.el8ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-twisted-web-0:12.1.0-8.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: python-twisted-0:16.4.1-20.el8ost
View patch
redhatno patchvia redhat_api
Product: Red Hat Satellite 6Fixed in: python-twisted
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: python-twisted
redhatno patchvia redhat_api
Product: Service Telemetry Framework 1.3 for RHEL 8Fixed in: python-twisted
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 3Fixed in: python-twisted

Vendor Advisories (3)

microsoft2022-Apr/CVE-2022-24801Important

HTTP Request Smuggling in twisted.web

Apr 12, 2022
pipGHSA-c2jg-hw38-jrqqcritical

Inconsistent Interpretation of HTTP Requests in twisted.web

Apr 4, 2022
redhatCVE-2022-24801Important

python-twisted: possible http request smuggling

Apr 4, 2022

References

github.com / twisted/twisted/commit/592217e951363d60e9cd99c5bbfd23d4615043ac
PatchThird Party Advisory
github.com / twisted/twisted/releases/tag/twisted-22.4.0rc1
Release NotesThird Party Advisory
github.com / twisted/twisted/security/advisories/GHSA-c2jg-hw38-jrqq
Third Party Advisory
lists.debian.org / debian-lts-announce/2022/05/msg00003.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6
oracle.com / security-alerts/cpujul2022.html
PatchThird Party Advisory