Severity
6.5MEDIUM
EPSS
0.3%
top 48.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 30
Latest updateJun 18
Description
urllib3 before 1.25.9 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 putrequest(). NOTE: this is similar to CVE-2020-26116.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5
Affected Packages5 packages
Also affects: Debian Linux 9.0, Ubuntu Linux 16.04, 18.04, 20.04
Patches
🔴Vulnerability Details
4📋Vendor Advisories
4Microsoft▶
urllib3 before 1.25.9 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 putrequest(). NOTE: this↗2020-09-08
Debian▶
CVE-2020-26137: python-urllib3 - urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP re...↗2020
💬Community
7Bugzilla
▶
Bugzilla▶
CVE-2020-26137 python3-urllib3: python-urllib3: CRLF injection via HTTP request method [epel-all]↗2020-09-30
Bugzilla▶
CVE-2020-26137 python-pip: python-urllib3: CRLF injection via HTTP request method [fedora-all]↗2020-09-30
Bugzilla▶
CVE-2020-26137 python-pip-epel: python-urllib3: CRLF injection via HTTP request method [epel-7]↗2020-09-30
Bugzilla
▶