CVE-2023-33302 json
A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version…
published 2025-03-31 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-37465
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version 6.4.0 through 6.4.4 and before 6.2.6 and FortiNDR administrative interface version 7.2.0 and before 7.1.0 allows an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.
Patch / fix
- fortinet fortimail 6.0.11, 6.2.7, 6.4.5
- fortinet fortindr 7.2.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:C |
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Fortinet FortiNDR
- Fortinet FortiMail
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
- Technology feeds
References
-
fortiguard.fortinet.com
/psirt/FG-IR-21-023
vendor-advisory
Sources
- CVE List CVE-2023-33302
- NVD CVE-2023-33302
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