VDB

DEBIAN-CVE-2021-30465

DEBIAN-CVE-2021-30465 PUBLISHED CVSS 8.5 HIGH

Record from OSV · Published May 27, 2021

runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
runcDebian:131.0.0~rc93+ds1-5
runcDebian:141.0.0~rc93+ds1-5
runcDebian:121.0.0~rc93+ds1-5

Risk scores

CVSS 3.1
8.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersions
Debian:13runc0
Debian:14runc0
Debian:12runc0

Timeline

  • May 27, 2021 CVE Published
  • Oct 23, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln DEBIAN-CVE-2021-30465
vulnetix vdb fixes DEBIAN-CVE-2021-30465

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2021-30465/fixes/registry"

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