CVE-2020-26116

CVSS V2 Medium 6.4 CVSS V3 High 7.2
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.
Overview
  • CVE ID
  • CVE-2020-26116
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-09-27T04:15:11
  • Last Modified Date
  • 2022-06-28T14:11:45
Weakness Enumerations
CWE URL
CWE-74 http://cwe.mitre.org/data/definitions/74.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.0.0 3.5.10
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.6.0 3.6.12
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.7.0 3.7.9
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.8.0 3.8.5
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 7.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://bugs.python.org/issue39603 Exploit Issue Tracking Patch Vendor Advisory
https://python-security.readthedocs.io/vuln/http-header-injection-method.html Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BW4GCLQISJCOEGQNIMVUZDQMIY6RR6CC/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWMAVY4T4257AZHTF2RZJKNJNSJFY24O/ Mailing List Third Party Advisory
https://usn.ubuntu.com/4581-1/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20201023-0001/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HDQ2THWU4GPV4Y5H5WW5PFMSWXL2CRFD/ Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00027.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QOX7DGMMWWL6POCRYGAUCISOLR2IG3XV/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00032.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202101-18 Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26116
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26116
History
Created Old Value New Value Data Type Notes
2022-05-10 06:42:46 Added to TrackCVE
2022-12-04 23:28:10 2020-09-27T04:15Z 2020-09-27T04:15:11 CVE Published Date updated
2022-12-04 23:28:10 2022-06-28T14:11:45 CVE Modified Date updated
2022-12-04 23:28:10 Analyzed Vulnerability Status updated