Home/CVE/In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via H
CVE

CVE-2020-27619

In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via H

In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.

CRITICAL · CVSS 9.8 EPSS 0.00854
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

6
python>= 3.0.0 and < 3.6.13
python>= 3.7.0 and < 3.7.10
python>= 3.8.0 and < 3.8.7
python>= 3.9.0 and < 3.9.1
fedoraproject fedoraall versions
oracle communications cloud native core network function cloud native environmentall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPython Reverse Shell Execution Via PTY And Socket Modules
producthighInline Python Execution - Spawn Shell Via OS System Library
producthighPython One-Liners with Base64 Decoding - Linux
producthighPython Function Execution Security Warning Disabled In Excel
producthighPython One-Liners with Base64 Decoding
producthighPython Spawning Pretty TTY on Windows
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Oct 2020 · 03:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

15
usnUSN-6891-1
suse-csafopenSUSE-SU-2024:11284-1
rhsaRHSA-2021:3254Moderate
rhsaRHSA-2021:4162Moderate
suse-csafSUSE-SU-2021:1621-1
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.python.org/issue41944Issue TrackingPatchVendor Advisory
https://github.com/python/cpython/commit/2ef5caa58febc8968e670e39e3d37cf8eef3cab8PatchVendor Advisory
https://github.com/python/cpython/commit/43e523103886af66d6c27cd72431b5d9d14cd2a9PatchVendor Advisory
https://github.com/python/cpython/commit/6c6c256df3636ff6f6136820afaefa5a10a3ac33PatchVendor Advisory
https://github.com/python/cpython/commit/b664a1df4ee71d3760ab937653b10997081b1794PatchVendor Advisory
https://github.com/python/cpython/commit/e912e945f2960029d039d3390ea08835ad39374bPatchVendor Advisory
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