What’s Vulnerable › Vulnerabilities
CVE-2020-10109
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-03-12 · updated 2026-06-17
- Weakness: CWE-444
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.
Affected products
- Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 19.10
- Debian Linux: 9.0
- Fedoraproject Fedora: 31, 32
- twisted: through 19.10.0
References
- https://know.bishopfox.com/advisories
- https://know.bishopfox.com/advisories/twisted-version-19.10.0
- https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/
- https://security.gentoo.org/glsa/202007-24
- https://usn.ubuntu.com/4308-1/
- https://usn.ubuntu.com/4308-2/
- https://know.bishopfox.com/advisories
- https://know.bishopfox.com/advisories/twisted-version-19.10.0
- https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/
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