CVE detail
CVE-2019-19921 — CVE-2019-19921
Published 2020-02-12 · Modified 2026-06-17 · Vendor linuxfoundation · Product runc · Source nvd
HIGH
severity
CVSS-derived band
0.0043
EPSS probability
exploitation probability, 30d
36.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References