CVE-2020-10109

unknown

Published 2020-03-31 · Modified 2023-11-08

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CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

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.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`18.9.0-7`
debian	bullseye	fixed	`18.9.0-7`
debian	forky	fixed	`18.9.0-7`
debian	sid	fixed	`18.9.0-7`
debian	trixie	fixed	`18.9.0-7`

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	twisted	`<20.3.0`	`20.3.0`
PyPI	twisted	`<20.3.0rc1`	`20.3.0rc1`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.