CVE-2021-26104 json
Multiple OS command injection (CWE-78) vulnerabilities in the command line interface of FortiManager 6.2.7 and below, 6.4.5 and below and a…
published 4y ago modified 4mo ago also EUVD-2021-12925
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
Multiple OS command injection (CWE-78) vulnerabilities in the command line interface of FortiManager 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, FortiAnalyzer 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, and FortiPortal 5.2.5 and below, 5.3.5 and below and 6.0.4 and below may allow a local authenticated and unprivileged user to execute arbitrary shell commands as root via specifically crafted CLI command parameters.
Patch / fix
- fortinet fortianalyzer 6.0.11, 6.2.8, 6.4.6
- fortinet fortimanager 6.0.11, 6.2.8, 6.4.6
- fortinet fortiportal 5.2.6, 5.3.6, 6.0.5
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
3.01% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/orangecertcc/security-research/security/advisories/GHSA-f73m-fvj3-m2pm referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Fortinet Fortinet FortiManager, FortiAnalyzer, FortiPortal
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
- Technology feeds
References
-
github.com
/orangecertcc/security-research/security/advisories/GHSA-f73m-fvj3-m2pm
exploit, third-party-advisory
-
fortiguard.com
/advisory/FG-IR-21-037
vendor-advisory
Sources
- CVE List CVE-2021-26104
- NVD CVE-2021-26104
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