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CVE-2022-39348

21
FAUCET Score

CVE-2022-39348 is a medium-severity vulnerability affecting Twisted, an event-based framework for internet applications, specifically versions 0.9.4 and later. It allows for HTML and script injection in 404 error responses due to unescaped Host header rendering when using twisted.web.vhost.NameVirtualHost. The vulnerability has a CVSS score of 5.4 (MEDIUM), indicating a network-based attack with low complexity, requiring user interaction and low privileges, potentially leading to limited impact on confidentiality and integrity. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.9.4, < 22.10.0CPE matchmatch criteria
cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
63.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 94th percentile among its peer group of 15,224 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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 20.3.0-4 on CBL Mariner 1.0Fixed in: 20.3.0-4
microsoftpatch availablevia msrc
Product: 18566-16820Fixed in: 20.3.0-4
microsoftpatch availablevia msrc
Product: 18567-16823Fixed in: 22.10.0-2
microsoftpatch availablevia msrc
Product: cbl2 python-twisted 22.10.0-2 on CBL Mariner 2.0Fixed in: 22.10.0-2
pippatch availablevia ghsa
Product: twistedFixed in: 22.10.0rc1
redhatvendor investigatingvia redhat_api
Product: Service Telemetry Framework 1.3 for RHEL 8Fixed in: python-twisted
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 16.2Fixed in: python-twisted
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 16.1Fixed in: python-twisted
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 1.2Fixed in: twisted[tls]
redhatno patchvia redhat_api
Product: Red Hat Ansible Automation Platform 2Fixed in: twisted[tls]
redhatend of lifevia redhat_api
Product: Red Hat Satellite 6Fixed in: python-twisted-core
redhatend of lifevia redhat_api
Product: Red Hat Satellite 6Fixed in: python-twisted
redhatend of lifevia redhat_api
Product: Red Hat Satellite 6Fixed in: python-twisted-web

Vendor Advisories (3)

pipGHSA-vg46-2rrj-3647medium

Twisted vulnerable to NameVirtualHost Host header injection

Oct 26, 2022
redhatCVE-2022-39348Low

python-twisted: NameVirtualHost Host header injection

Oct 26, 2022
microsoft2022-Oct/CVE-2022-39348Moderate

Twisted vulnerable to NameVirtualHost Host header injection

Oct 11, 2022

References

lists.debian.org / debian-lts-announce/2024/11/msg00028.html
github.com / twisted/twisted/commit/f2f5e81c03f14e253e85fe457e646130780db40b
Patch
github.com / twisted/twisted/commit/f49041bb67792506d85aeda9cf6157e92f8048f4
Patch
github.com / twisted/twisted/security/advisories/GHSA-vg46-2rrj-3647
ExploitPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2022/11/msg00038.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202301-02
Third Party Advisory