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CVE-2020-26137 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugs.python.org/issue39603 Issue Tracking  Vendor Advisory 
https://bugs.python.org/issue39603 Issue Tracking  Vendor Advisory 
https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b Patch  Third Party Advisory 
https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b Patch  Third Party Advisory 
https://github.com/urllib3/urllib3/pull/1800 Patch  Third Party Advisory 
https://github.com/urllib3/urllib3/pull/1800 Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html
https://usn.ubuntu.com/4570-1/ Third Party Advisory 
https://usn.ubuntu.com/4570-1/ Third Party Advisory 
https://www.oracle.com/security-alerts/cpujul2022.html Patch  Third Party Advisory 
https://www.oracle.com/security-alerts/cpujul2022.html Patch  Third Party Advisory 
https://www.oracle.com/security-alerts/cpuoct2021.html Patch  Third Party Advisory 
https://www.oracle.com/security-alerts/cpuoct2021.html Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-26137
NVD Published Date:
09/30/2020
NVD Last Modified:
11/21/2024
Source:
MITRE