Vulnerability in Containerd
CVE-2020-15257
containerd is an industry-standard container runtime and is available as a daemon for Linux and Windows. In containerd before versions 1.3.9 and 1.4.3, the containerd-shim API is improperly exposed to host network containers. Access contro…
EPSS: 0.032 (86.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Containerd — versions < 1.3.9, >= 1.4.0, < 1.4.3
- Linuxfoundation Containerd
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security-advisories@github.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2020-15257?
- CVE-2020-15257 is a medium-severity vulnerability in Containerd, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 5.2/10. Published 2020-12-01.
- How severe is CVE-2020-15257?
- Medium severity. CVSS v3 base score is 5.2 out of 10.
- Is CVE-2020-15257 known to be exploited?
- 55 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.