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TI-2022-08614 Aliases CVE-2022-24801GHSA-c2jg-hw38-jrqq

HTTP Request Smuggling in twisted.web

Priority MEDIUM 42CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 6 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.

Summary

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the `twisted.web.http` module, parsed several HTTP request constructs more leniently than permitted by RFC 7230. This non-conformant parsing can lead to desync if requests pass through multiple HTTP parsers, potentially resulting in HTTP request smuggling. Users who may be affected use Twisted Web's HTTP 1.1 server and/or proxy and also pass requests through a different HTTP server and/or proxy. The Twisted Web client is not affected. The HTTP 2.0 server uses a different parser, so it is not affected. The issue has been addressed in Twisted 22.4.0rc1. Two workarounds are available: Ensure any vulnerabilities in upstream proxies have been addressed, such as by upgrading them; or filter malformed requests by other means, such as configuration of an upstream proxy.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.028 86th percentileScored 2026-11-07
Fix Partial Twisted (PyPI): 22.4.0Red Hat: 3 advisoriesRed Hat: 6 fixed, 6 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
twistedtwistedup to 22.2.0—No fix listedCNA
—Twisted (PyPI)before 22.4.022.4.0Patch availableGHSA-c2jg-hw38-jrqq
  • twisted Vendortwisted Affected up to 22.2.0 Fixed in — No fix listed CNA
  • Twisted (PyPI) Vendor— Affected before 22.4.0 Fixed in 22.4.0 Patch available GHSA-c2jg-hw38-jrqq

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*before 22.4.0Vulnerabletwisted
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*8.8VulnerableOracle
  • cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:* Versions before 22.4.0 Vulnerable ·twisted
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* Versions 8.8 Vulnerable ·Oracle

Remediation

  • Fix · GHSA-c2jg-hw38-jrqq Twisted (PyPI) Fixed in 22.4.0 Advisory →

Red Hat 3 advisories

  • RHSA-2022:4930 Released 2022-06-07 · Red Hat rating Important
    python-twisted-web security update
    • Red Hat Enterprise Linux Client Optional (v. 7) python-twisted-web-12.1.0-8.el7_9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-twisted-web-12.1.0-8.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) python-twisted-web-12.1.0-8.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) python-twisted-web-12.1.0-8.el7_9
  • RHSA-2022:1646 Released 2022-04-29 · Red Hat rating Important
    Red Hat OpenStack Platform 16.1 (python-twisted) security update
    • Red Hat OpenStack Platform 16.1 python-twisted-16.4.1-20.el8ost, python3-twisted-16.4.1-20.el8ost
  • RHSA-2022:1645 Released 2022-04-29 · Red Hat rating Important
    Red Hat OpenStack Platform 16.2 (python-twisted) security update
    • Red Hat OpenStack Platform 16.2 python-twisted-16.4.1-20.el8ost, python3-twisted-16.4.1-20.el8ost

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ceph Storage 2AffectedNo fix planned: Out of support scope
Red Hat Ceph Storage 3AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix yet
Red Hat Satellite 6AffectedNo fix yet
Service Telemetry Framework 1.3 for RHEL 8AffectedNo fix yet
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:4930
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:4930
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:4930
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:4930
Red Hat OpenStack Platform 16.1Fixed RHSA-2022:1646
Red Hat OpenStack Platform 16.2Fixed RHSA-2022:1645

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-24801
  2. 2026-10-03 Alias added: GHSA-c2jg-hw38-jrqq

References

Patch 2

Advisory 6

Other 6

  • TI-2026-30612 Twisted: Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains CVSS 3.1HIGH 7.5
  • TI-2022-06090 Buffer Overflow in Twisted CVSS 3.1HIGH 7.5
  • TI-2024-27854 HTML injection in HTTP redirect body CVSS 3.1MEDIUM 6.1
  • TI-2022-18723 Twisted vulnerable to NameVirtualHost Host header injection CVSS 3.1MEDIUM 5.4
  • TI-2020-08165 In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. CVSS 3.1CRITICAL 9.8
  • TI-2020-08166 In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. CVSS 3.1CRITICAL 9.8
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences