CVE-2023-33302A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface…
- 4.5MediumCVSS base score
- 0.38%Exploitation in 30 daysEPSS · top 68% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By fortinet
- 23 months later
· 23 months later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| fortinetCNA (assigner) | 3.1 | Medium4.5 | 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 |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.5.
Affected products
- affected 7.2.0
- affected 7.1.0
- affected 7.0.0 – ≤ 7.0.6
- affected 1.5.0 – ≤ 1.5.3
- affected 1.4.0
- affected 1.3.0 – ≤ 1.3.1
- affected 1.2.0
- affected 1.1.0
- affected 6.4.0 – ≤ 6.4.4
- affected 6.2.0 – ≤ 6.2.6
- affected 6.0.0 – ≤ 6.0.10
- affected 5.4.0 – ≤ 5.4.12
- affected 5.3.12 – ≤ 5.3.13
- affected 5.3.0 – ≤ 5.3.10
- affected 5.2.0 – ≤ 5.2.10
- affected 5.1.0 – ≤ 5.1.7
- affected 5.0.0 – ≤ 5.0.11
What to do
Solution: Please upgrade to FortiMail version 7.0.0 or above Please upgrade to FortiMail version 6.4.5 or above Please upgrade to FortiMail version 6.2.7 or above Please upgrade to FortiMail version 6.0.11 or above Please upgrade to FortiNDR version 7.2.1 or above
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-37465 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-33302)Record last updated .