Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection.
CVE-2020-17368
Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 50(Track)EG Risk 50/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation4% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 89.7%
- KEV
- Not listed
Published
August 11, 2020
Last Modified
November 21, 2024
Advisory Details (7)
Auto-updated Jun 22, 2026GitHub - netblue30/firejail: Linux namespaces and seccomp-bpf sandbox · GitHub
https://github.com/netblue30/firejail/[SECURITY] [DSA 4743-1] ruby-kramdown security update
https://www.debian.org/security/2020/dsa-4743[SECURITY] [DSA 4742-1] firejail security update
https://www.debian.org/security/2020/dsa-4742Firejail: Multiple vulnerabilities (GLSA 202101-02) — Gentoo security
https://security.gentoo.org/glsa/202101-02[SECURITY] Fedora 32 Update: firejail-0.9.62.4-1.fc32 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W66IR5YT4KG464SKEMQN2NP2LGATGEGS/[SECURITY] Fedora 31 Update: firejail-0.9.62.4-1.fc31 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFXN3JJG4DIMN4TAHOTKFMS7SGM4EOTR/[SECURITY] [DLA 2336-1] firejail security update
https://lists.debian.org/debian-lts-announce/2020/08/msg00033.htmlWeakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Same CWE
10 shownCWE-78
Frequently asked(5)
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