CVE-2023-33302

highpriority · track · 35EPSS 0.004 · 32 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 8.8 · high

Is it mine?

34 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.5–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.14.7mediumAV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:U/RC:Csecondary · ENISA EU

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · psirt@fortinet.comexploitability 1.2 · impact 3.4

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USCWE-120US

affected products (34)

Products and version ranges known to be affected.

Fortinet FortiMail≤ 5.1.0 ≤5.1.7enisa_euvdEU
Fortinet FortiMail≤ 5.3.12 ≤5.3.13enisa_euvdEU
Fortinet FortiMail≤ 5.3.0 ≤5.3.10enisa_euvdEU
Fortinet FortiMail≤ 5.4.0 ≤5.4.12enisa_euvdEU
Fortinet FortiMail≤ 6.0.0 ≤6.0.10enisa_euvdEU
Fortinet FortiMail≤ 6.4.0 ≤6.4.4enisa_euvdEU
Fortinet FortiMail≤ 5.0.0 ≤5.0.11enisa_euvdEU
Fortinet FortiMail≤ 6.2.0 ≤6.2.6enisa_euvdEU
Fortinet FortiMail≤ 5.2.0 ≤5.2.10enisa_euvdEU
Fortinet FortiNDR≤ 1.1.0enisa_euvdEU
Fortinet FortiNDR≤ 1.3.0 ≤1.3.1enisa_euvdEU
Fortinet FortiNDR≤ 7.2.0enisa_euvdEU
Fortinet FortiNDR≤ 1.2.0enisa_euvdEU
Fortinet FortiNDR≤ 7.1.0enisa_euvdEU
Fortinet FortiNDR≤ 7.0.0 ≤7.0.6enisa_euvdEU
Fortinet FortiNDR≤ 1.5.0 ≤1.5.3enisa_euvdEU
Fortinet FortiNDR≤ 1.4.0enisa_euvdEU
Fortinet Inc. FortiMail≤ 7.2.1fstec_bduRU
Fortinet Inc. FortiMail≤ 6.0.10fstec_bduRU
Fortinet Inc. FortiMail≤ 5.4.12fstec_bduRU

showing 20 of 34

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2025-03-31modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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