CVE-2021-41133

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.2% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-10-08 00:00Z4 YR AGO

Last updated

2024-08-04 02:59Z2 YR AGO

Reserved

2021-09-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

50d6ee2fb4f09eecde907f0a33c0dce1573ce1bd63ab442fb1dd5f9381c96c7c

• github.comhttps://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q
• github.comhttps://github.com/flatpak/flatpak/commit/1330662f33a55e88bfe18e76de28b7922d91a999
• github.comhttps://github.com/flatpak/flatpak/commit/26b12484eb8a6219b9e7aa287b298a894b2f34ca
• github.comhttps://github.com/flatpak/flatpak/commit/462fca2c666e0cd2b60d6d2593a7216a83047aaf
• github.comhttps://github.com/flatpak/flatpak/commit/4c34815784e9ffda5733225c7d95824f96375e36
• github.comhttps://github.com/flatpak/flatpak/commit/89ae9fe74c6d445bb1b3a40e568d77cf5de47e48
• github.comhttps://github.com/flatpak/flatpak/commit/9766ee05b1425db397d2cf23afd24c7f6146a69f
• github.comhttps://github.com/flatpak/flatpak/commit/a10f52a7565c549612c92b8e736a6698a53db330
• github.comhttps://github.com/flatpak/flatpak/commit/e26ac7586c392b5eb35ff4609fe232c52523b2cf
• lists.fedoraproject.orgFEDORA-2021-4b201d15e6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5656ONDP2MGKIJMKEC7N2NXCV27WGTC/vendor-advisory
• www.debian.orgDSA-4984https://www.debian.org/security/2021/dsa-4984vendor-advisory
• www.openwall.com[oss-security] 20211026 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0006http://www.openwall.com/lists/oss-security/2021/10/26/9mailing-list
• lists.fedoraproject.orgFEDORA-2021-c5a9c85737https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5DKCYRC6MFSTFCUP4DELCOUUP3SFEFX/vendor-advisory
• security.gentoo.orgGLSA-202312-12https://security.gentoo.org/glsa/202312-12vendor-advisory