CVE-2021-36193 json
Multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 may allow an authenticated attacker to achie…
published 4y ago modified 4mo ago also EUVD-2021-22814
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted commands.
Patch / fix
- fortinet fortiweb 6.2.6, 6.3.16, 6.4.2
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C |
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Fortinet FortiFone
- Fortinet FortiADC
- Fortinet FortiMail
- Fortinet FortiDDoS
- Fortinet FortiDDoS-F
- Fortinet FortiVoice
- Fortinet FortiDDoS-CM
- Fortinet FortiWeb
- Fortinet FortiRecorder
- Fortinet FortiNDR
Classification
- Weakness
- Technology feeds
References
-
fortiguard.com
/advisory/FG-IR-21-132
vendor-advisory
Sources
- CVE List CVE-2021-36193
- NVD CVE-2021-36193
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