Home/CVE/A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through
CVE

CVE-2023-23780

A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through

A stack-based buffer overflow in Fortinet FortiWeb version 7.0.0 through 7.0.1, Fortinet FortiWeb version 6.3.6 through 6.3.19, Fortinet FortiWeb 6.4 all versions allows attacker to escalation of privilege via specifically crafted HTTP requests.

HIGH · CVSS 8 EPSS 0.00489
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
fortinet fortiweb>= 6.3.0 and < 6.3.20
fortinet fortiweb>= 6.4.0 and <= 6.4.2
fortinet fortiweb>= 7.0.0 and < 7.0.2
▣

Scoring & Timeline

8
HIGH · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Feb 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/psirt/FG-IR-22-118Vendor Advisory
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