CVE-2021-41103

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 43.7% 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

Moderate. 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

2021-10-04 00:00Z5 YR AGO

Last updated

2024-08-04 02:59Z2 YR AGO

Reserved

2021-09-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

8fe69332cdcced1029b3de11d3f8700eaf1c0244db66bab89b3b6b2ce5a45ea5

• github.comhttps://github.com/containerd/containerd/security/advisories/GHSA-c2h3-6mxw-7mvq
• github.comhttps://github.com/containerd/containerd/commit/5b46e404f6b9f661a205e28d59c982d3634148f8
• lists.fedoraproject.orgFEDORA-2021-df975338d4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNFADTCHHYWVM6W4NJ6CB4FNFM2VMBIB/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-b5a9a481a2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5Q6G6I4W5COQE25QMC7FJY3I3PAYFBB/vendor-advisory
• www.debian.orgDSA-5002https://www.debian.org/security/2021/dsa-5002vendor-advisory
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
• security.gentoo.orgGLSA-202401-31https://security.gentoo.org/glsa/202401-31vendor-advisory