CVE-2020-27619
📛 CVE Title
Arch Linux: Arbitrary code execution (CVE-2020-27619)
Description
In Python 3 through 3.9.0, the Lib/test/multibytecodec_ support.py CJK codec tests call eval() on content retrieved via HTTP.
Description (MITRE) cveawg.mitre.org
Pulled from cveawg.mitre.org/api/cve/CVE-2020-27619 on 2026-06-23. Shown when MITRE's text differs from the cvelistV5 mirror.
In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- MEDIUM
- CVSS score
- 5.0 / 10
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Effective score
- 5.0 / 10 MEDIUM source: CNA overview
- MSRC score
- 9.8 / 10 CRITICAL MS rating: Critical
- CWE(s)
- —
- Reserved
- —
- Published
- 2020-10-22 00:00 UTC
- Last updated
- 2026-02-18 14:24 UTC
- Source
- https://www.rapid7.com/db/vulnerabilities/arch-linux-cve-2020-27619/
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- EPSS score
- 0.0824 (probability of exploitation in next 30 days)
- EPSS percentile
- 94.16% vs all CVEs — higher = more likely to be exploited, as of 2026-06-23
NVD / KEV / EPSS data refreshed 2026-06-23 19:25 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2020-20126 - Assigner
- mitre
- Published
- Oct 22, 2020, 12:00:00 AM
- Updated
- Aug 4, 2024, 4:18:44 PM
- EUVD-reported EPSS
- 8.4100
- Vendors
- n/a
- Products
-
n/a (n/a)
- Aliases
-
GHSA-22cq-cq7f-8jm3
ENISA description: In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content retrieved via HTTP.
EUVD references (14)
- https://bugs.python.org/issue41944
- https://github.com/python/cpython/commit/2ef5caa58febc8968e670e39e3d37cf8eef3cab8
- https://github.com/python/cpython/commit/b664a1df4ee71d3760ab937653b10997081b1794
- https://github.com/python/cpython/commit/6c6c256df3636ff6f6136820afaefa5a10a3ac33
- https://github.com/python/cpython/commit/43e523103886af66d6c27cd72431b5d9d14cd2a9
- https://github.com/python/cpython/commit/e912e945f2960029d039d3390ea08835ad39374b
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SGIY6I4YS3WOXAK4SXKIEOC2G4VZKIR7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RSLQD5CCM75IZGAMBDGUZEATYU5YSGJ7/
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security.netapp.com/advisory/ntap-20201123-0004/
- https://security.gentoo.org/glsa/202402-04
Microsoft Security Response Center MSRC
Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-07-10 04:28 UTC (source: CVRF).
- MS severity
- Critical
- MS CVSS base score
- 9.8 / 10 (temporal 9.8)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Release
- 2020-Oct
Microsoft remediations / KB articles (2)
- CBL-Mariner Releases — Vendor Fix / Security Update (fixed build 3.7.9-2)
- https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade — None Available / CBL-Mariner Releases
Microsoft FAQ (1)
Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
MITRE references (14) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list
- https://bugs.python.org/issue41944
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security.netapp.com/advisory/ntap-20201123-0004/
- GLSA-202402-04 vendor-advisory
- FEDORA-2021-98720f3785 vendor-advisory
- FEDORA-2021-12df7f7382 vendor-advisory
- https://github.com/python/cpython/commit/2ef5caa58febc8968e670e39e3d37cf8eef3cab8
- https://github.com/python/cpython/commit/43e523103886af66d6c27cd72431b5d9d14cd2a9
- https://github.com/python/cpython/commit/6c6c256df3636ff6f6136820afaefa5a10a3ac33
- https://github.com/python/cpython/commit/b664a1df4ee71d3760ab937653b10997081b1794
- https://github.com/python/cpython/commit/e912e945f2960029d039d3390ea08835ad39374b
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar mailing-list
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list
Web references (11)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- None Available msrc
- MSRC update guide: CVE-2020-27619 msrc
- https://support.oracle.com/epmos/faces/DocumentDisplay?id=1448883.1&displayIndex=1 rapid7:support.oracle.com
- https://errata.almalinux.org/8/ALSA-2021-4151.html rapid7:errata.almalinux.org
- https://errata.almalinux.org/8/ALSA-2021-4162.html rapid7:errata.almalinux.org
- https://errata.rockylinux.org/RLSA-2021:4151 rapid7:errata.rockylinux.org
- https://errata.rockylinux.org/RLSA-2021:4162 rapid7:errata.rockylinux.org
- https://attackerkb.com/topics/CVE-2020-27619 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20126 rapid7:euvd.enisa.europa.eu
- https://www.cve.org/CVERecord?id=CVE-2020-27619 rapid7:www.cve.org
- http://support.py rapid7:support.py
Remediations (10)
-
web:blackswan-cybersecurity.com
Cloud Files API activity originating outside legitimate OneDrive/sync processes. Mitigation Steps: Apply all Windows updates immediately (monitor MSRC for an emergency RedSun-specific patch . None released as of April 17, 2026). Supplement Defender with a secondary EDR solution (e.g., Huntress) capable of detecting Defender bypasses.
2026-06-04 07:57 UTC -
web:blog.qualys.com
With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.
2026-06-04 07:57 UTC -
web:cybersecuritynews.com
Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.
2026-06-04 07:57 UTC -
web:nvd.nist.gov
Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
2026-06-04 07:57 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-06-04 07:57 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
2026-06-04 07:57 UTC -
web:www.neowin.net
Here's how it works. Windows 11 KB5083769 April 2026 Patch Tuesday update is now available to download The latest Windows 11 Patch Tuesday updates for April 2026 are now available.
2026-06-04 07:57 UTC -
web:www.notebookcheck.net
Windows 11 KB5083769 is blocking the psmounterex.sys driver used by Macrium Reflect and Acronis, causing backup failures and VSS timeouts on 24H2 and 25H2.
2026-06-04 07:57 UTC -
web:www.pcworld.com
This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.
2026-06-04 07:57 UTC -
web:www.windowslatest.com
Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.
2026-06-04 07:57 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.