CVEvulnerability

CVE-2020-26116

7.2 HIGH Published 2020-09-27 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2020-09-27
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
Weaknesses
CWE-74

Description

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request.

Affected configurations

• python python (>= 3.0.0 < 3.5.10) • python python (>= 3.6.0 < 3.6.12) • python python (>= 3.7.0 < 3.7.9) • python python (>= 3.8.0 < 3.8.5) • fedoraproject fedora 31 • fedoraproject fedora 32 • fedoraproject fedora 33 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • netapp solidfire • netapp hci storage node • debian debian linux 9.0 • oracle zfs storage appliance kit 8.8 • opensuse leap 15.1

Related

Weakness · CWE (1)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness

References