HIGH
CVE-2020-17367
CWE-88Published: August 11, 2020· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
Firejail through 0.9.62 does not honor the -- end-of-options indicator after the --output option, which may lead to command injection.
Technical Analysis
CVE-2020-17367 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
firejail_project1 product(s)
firejail
openSUSE1 product(s)
leap
Source: NVD CPE · 6 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00036.htmlMailing List · Third Party Advisory
→
https://github.com/netblue30/firejailThird Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/08/msg00033.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202101-02Third Party Advisory
→
https://www.debian.org/security/2020/dsa-4742Third Party Advisory
→
https://www.debian.org/security/2020/dsa-4743Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00036.htmlMailing List · Third Party Advisory
→
https://github.com/netblue30/firejailThird Party Advisory
→
https://lists.debian.org/debian-lts-announce/2020/08/msg00033.htmlMailing List · Third Party Advisory
→
https://security.gentoo.org/glsa/202101-02Third Party Advisory
→
https://www.debian.org/security/2020/dsa-4742Third Party Advisory
Quick Facts
CVE IDCVE-2020-17367
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-88
CISA KEVNo
Affected4 vendor(s)
PublishedAug 11, 2020
Related CVEs (CWE-88)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-17367 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.