cve.bz

CVE-2020-10109

9.8 criticalEPSS 3.3%

Critical (9.8). EPSS 3.3% chance of exploitation in the next 30 days. Fixed in twisted 20.3.0, 20.3.0rc1.

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE
CWE-444
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-p5xh-vx83-mxcjPyPItwisted<20.3.020.3.0
PYSEC-2020-260PyPItwisted<20.3.0rc120.3.0rc1

References

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