What is CVE-2023-23781?

CVE-2023-23781 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Stack-based Buffer Overflow. CVSS score: 6.4/10. Published 2023-02-16.

How severe is CVE-2023-23781?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Buffer overflow in Fortinet Fortiweb

CVE-2023-23781

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.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiweb — versions 7.0.0, 6.4.0, 6.3.6

Weakness classification (CWE)

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

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23781?: CVE-2023-23781 is a medium-severity vulnerability in Fortinet Fortiweb, classified under Stack-based Buffer Overflow. CVSS score: 6.4/10. Published 2023-02-16.
How severe is CVE-2023-23781?: Medium severity. CVSS v3 base score is 6.4 out of 10.