{"id":"CVE-2020-10108","aliases":["GHSA-h96w-mmrf-2h6v","PYSEC-2020-259"],"url":"https://o3.security/vulnerability/CVE-2020-10108","summary":"Improper Input Validation in Twisted","details":"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.","published":"2020-03-12T13:15:12.293Z","modified":"2026-07-08T05:55:13.184291167Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"twisted","fixedVersion":"20.3.0"}],"fix":null,"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D/"},{"type":"ADVISORY","url":"https://know.bishopfox.com/advisories/twisted-version-19.10.0"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202007-24"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4308-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4308-2/"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"EVIDENCE","url":"https://know.bishopfox.com/advisories"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:55:13.184291167Z"}}