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TI-2020-08165 Aliases CVE-2020-10108GHSA-h96w-mmrf-2h6v

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability.

Priority MEDIUM 49CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 7 fixed, 6 without a fix

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

Summary

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.

Why it matters now

EPSS 0.03973 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Twisted (PyPI): 20.3.0Red Hat: 2 advisoriesRed Hat: 7 fixed, 6 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—Twisted (PyPI)before 20.3.020.3.0Patch availableGHSA-h96w-mmrf-2h6v
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • Twisted (PyPI) Vendor— Affected before 20.3.0 Fixed in 20.3.0 Patch available GHSA-h96w-mmrf-2h6v

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:*up to 19.10.0Vulnerabletwisted
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*19.10VulnerableCanonical
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*8.8VulnerableOracle
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*10VulnerableOracle
  • cpe:2.3:a:twisted:twisted:*:*:*:*:*:*:*:* Versions up to 19.10.0 Vulnerable ·twisted
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Versions 19.10 Vulnerable ·Canonical
  • cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* Versions 8.8 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Oracle
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*11VulnerableOracle
  • cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·Oracle

Remediation

  • Fix · GHSA-h96w-mmrf-2h6v Twisted (PyPI) Fixed in 20.3.0 Advisory →

Red Hat 2 advisories

  • RHSA-2020:1962 Released 2020-04-29 · Red Hat rating Important
    python-twisted-web security update
    • Red Hat Enterprise Linux Desktop (v. 6) python-twisted-web-8.2.0-6.el6_10
    • Red Hat Enterprise Linux Server (v. 6) python-twisted-web-8.2.0-6.el6_10
    • Red Hat Enterprise Linux Workstation (v. 6) python-twisted-web-8.2.0-6.el6_10
  • RHSA-2020:1561 Released 2020-04-23 · Red Hat rating Important
    python-twisted-web security update
    • Red Hat Enterprise Linux Client Optional (v. 7) python-twisted-web-12.1.0-7.el7_8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-twisted-web-12.1.0-7.el7_8
    • Red Hat Enterprise Linux Server Optional (v. 7) python-twisted-web-12.1.0-7.el7_8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) python-twisted-web-12.1.0-7.el7_8

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: Will not fix
Red Hat OpenShift Container Platform 4AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 10 (Newton)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 16 (Train)AffectedNo fix planned: Will not fix
Red Hat Satellite 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:1561
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:1561
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2020:1962
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2020:1962
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:1561
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2020:1962
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:1561

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10108
  2. 2026-10-03 Alias added: GHSA-h96w-mmrf-2h6v

References

Exploit 1

Patch 1

Advisory 8

Other 10

Sources

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