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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| runc | Debian:13 | 1.0.0~rc93+ds1-5 |
| runc | Debian:14 | 1.0.0~rc93+ds1-5 |
| runc | Debian:12 | 1.0.0~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
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | runc | 0 |
| Debian:14 | runc | 0 |
| Debian:12 | runc | 0 |
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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