8.3

CVE-2024-41671: twisted.web has disordered HTTP pipeline response

Deferred
AliasesGHSA-c8m8-j448-xjx7PYSEC-2026-1992UBUNTU-CVE-2024-41671
Published 29-07-2024Last modified 03-11-2025

Vulnerability summary

CVE-2024-41671 is a high (CVSS 8.3) vulnerability in twisted. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 8.3 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.86%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 6

Timeline

  1. 29-07-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

Twisted is an event-based framework for internet applications, supporting Python 3.6+. The HTTP 1.0 and 1.1 server provided by twisted.web could process pipelined HTTP requests out-of-order, possibly resulting in information disclosure. This vulnerability is fixed in 24.7.0rc1.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.86% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • synapse< 1.112.0-r0
Debian1 product
  • twisted< 22.4.0-4+deb12u1 | < 24.7.0-1
Opensuse1 product
  • matrix-synapse&distro=openSUSE Tumbleweed< 1.112.0-1.1
PyPI1 product
  • twisted< 24.7.0rc1
Twisted1 product
Ubuntu1 product
  • twisted< 24.3.0-1ubuntu0.1 | < 17.9.0-2ubuntu0.3+esm2 | < 18.9.0-11ubuntu0.20.04.5 | < 22.1.0-2ubuntu2.6

6 vendors · 6 products

References

16 links
Show all 16 references