PT-2023-4001 · Fortinet · Fortios

Published 2023-07-11 · Updated 2023-07-18 · CVE-2023-28001

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fortinet FortiOS versions 7.0.0 through 7.0.12 Fortinet FortiOS versions 7.2.0 through 7.2.4

Description The issue is related to an insufficient session expiration in the FortiOS REST API, allowing an attacker to execute unauthorized code or commands by reusing the session of a deleted user. This can be exploited remotely. The vulnerability may allow an attacker to keep a secure websocket session active after user deletion.

Recommendations For Fortinet FortiOS versions 7.0.0 through 7.0.12, restrict hosts that can connect to the websocket to trusted ones only, with the trusted host feature, as a temporary workaround. For Fortinet FortiOS versions 7.2.0 through 7.2.4, restrict hosts that can connect to the websocket to trusted ones only, with the trusted host feature, as a temporary workaround. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Insufficient Session Expiration

Weakness Enumeration

CWE-613

Related Identifiers

BDU:2023-04299

CVE-2023-28001

Affected Products

Fortios

References · 7

• https://fortiguard.com/psirt/FG-IR-23-028 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-28001 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04299 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-28001 · Security Note
• https://t.me/cibsecurity/66417 · Telegram Post
• https://t.me/true_secator/4609 · Telegram Post
• https://t.me/cvenotify/54082 · Telegram Post