← Vulnerability feed

Vulnerability record · CVE-2020-10108 · published 12 March 2020

CVE-2020-10108: Twisted http request smuggling vulnerability

Twisted · Twisted

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.

9.8 CVSS 3.1 Critical EPSS 4.0% · top 9.9% CWE-444 · HTTP request smuggling
9.8CVSS 3.1 base score, v2 7.5
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
18References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://know.bishopfox.com/advisories ExploitThird Party Advisory
https://know.bishopfox.com/advisories/twisted-version-19.10.0 Release NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIX
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3C
https://security.gentoo.org/glsa/202007-24 Third Party Advisory
https://usn.ubuntu.com/4308-1/ Third Party Advisory
https://usn.ubuntu.com/4308-2/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory
https://know.bishopfox.com/advisories ExploitThird Party Advisory
https://know.bishopfox.com/advisories/twisted-version-19.10.0 Release NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIX
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3C
https://security.gentoo.org/glsa/202007-24 Third Party Advisory
https://usn.ubuntu.com/4308-1/ Third Party Advisory
https://usn.ubuntu.com/4308-2/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html PatchThird Party Advisory

Track CVE-2020-10108 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-32433Erlang/OTP SSH server missing authentication allows remote code executionErlang/OTP SSH servers before OTP-27.3.3, OTP-26.2.5.11 and OTP-25.3.2.20 mishandle SSH protocol messages, letting an unauthenticated attacker execut…KEVEPSS 99%analysed10.0CVE-2025-24201Apple WebKit out-of-bounds write allows sandbox escapeCVE-2025-24201 is an out-of-bounds write in Apple's WebKit that was addressed with improved checks. Maliciously crafted web content may break out of …KEVEPSS 3.8%analysed10.0CVE-2021-44228Apache Log4j2 JNDI lookup remote code executionApache Log4j2 versions 2.0-beta9 through 2.15.0 (excluding 2.12.2, 2.12.3, and 2.3.1) do not protect against attacker-controlled LDAP and other JNDI …KEVEPSS 100%analysed10.0CVE-2020-14871Oracle Solaris PAM out-of-bounds write allows remote unauthenticated takeoverOracle Solaris 10 and 11 contain an out-of-bounds write (CWE-787) in the Pluggable Authentication Module component, reachable over the network withou…KEVEPSS 80%analysed9.8CVE-2026-24061GNU Inetutils telnetd argument injection allows remote auth bypasstelnetd in GNU Inetutils through 2.7 fails to sanitize the USER environment variable, so a value such as "-f root" is passed as an argument to login …KEVEPSS 99%analysed9.8CVE-2025-39682Linux kernel TLS zero-length record handling flaw on rx_listThe Linux kernel TLS receive path mishandles zero-length records that arrive from the rx_list, breaking the assumption that a record type change cann…KEVEPSS 2.9%analysed9.8CVE-2025-24813Apache Tomcat Default Servlet path equivalence enables RCE and file disclosureApache Tomcat mishandles path equivalence for names containing an internal dot, letting a remote unauthenticated attacker write files through the Def…KEVEPSS 100%analysed9.8CVE-2024-9680Mozilla Firefox and Thunderbird use-after-free in Animation timelinesA use-after-free flaw in Animation timelines allows an attacker to execute code in the content process of Firefox and Thunderbird. Mozilla reports ex…KEVEPSS 23%analysed

Source: NIST National Vulnerability Database (record CVE-2020-10108), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.