CVE-2020-10108

Name: CVE-2020-10108
Creator: NVD / NIST
Published: 2020-03-12T13:15:12.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.08%

Last modified Jun 17, 2026

CVE-2020-10108 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 4.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.08%

89.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

Affected Software

Vendor	Product	Versions
Twisted	Twisted	<= 19.10.0
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10
Oracle	Zfs Storage Appliance Kit	8.8
Oracle	Solaris	10
Oracle	Solaris	11

References

https://know.bishopfox.com/advisoriesExploit, Third Party Advisory
https://know.bishopfox.com/advisories/twisted-version-19.10.0Release Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.htmlMailing List, Third Party Advisory
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/202007-24Third 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.htmlPatch, Third Party Advisory
https://know.bishopfox.com/advisoriesExploit, Third Party Advisory
https://know.bishopfox.com/advisories/twisted-version-19.10.0Release Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/02/msg00021.htmlMailing List, Third Party Advisory
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/202007-24Third 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.htmlPatch, Third Party Advisory

Timeline

Published: Mar 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10108?

How severe is CVE-2020-10108?

CVE-2020-10108 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.08% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10108?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10108?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST