Path Traversal in Containerd
CVE-2021-41103
containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Containerd — versions < 1.4.11, >= 1.5.0, < 1.5.7
- Linuxfoundation Containerd
- Debian Debian_linux — versions 11.0
- Fedoraproject Fedora — versions 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (vendor-advisory)
- security-advisories@github.com (vendor-advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory)
- security-advisories@github.com
- security-advisories@github.com (vendor-advisory)
Frequently asked questions
- What is CVE-2021-41103?
- CVE-2021-41103 is a high-severity vulnerability in Containerd, classified under Path Traversal. CVSS score: 7.8/10. Published 2021-10-04.
- How severe is CVE-2021-41103?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-41103 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.