What’s Vulnerable › Vulnerabilities
CVE-2023-23781
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-02-16 · updated 2026-06-17
- Weakness: CWE-121
Description
A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below SAML server configuration may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted XML files.
Affected products
- Fortinet FortiWeb: from 6.3.0 before 6.3.20; from 6.4.0 through 6.4.2; from 7.0.0 before 7.0.2 — fixed in 6.3.20, 7.0.2
How to fix
Upgrade to a fixed version: Fortinet FortiWeb 6.3.20, 7.0.2. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2023-23781 or the next vulnerability affects your stack