Vulnerability · Published Feb 16, 2023 · Assigned by fortinet

CVE-2022-39948

Medium 4.4

In plain English

A medium-severity improper certificate validation in FortiOS from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.3%top 79.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS/FortiProxy device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS/FortiProxy)

Affected products (as reported)

VendorProductVersions
Fortinet FortiProxy 7.0.0 – through 7.0.62.0.0 – through 2.0.111.2.0 – through 1.2.13
Fortinet FortiOS 7.2.0 – through 7.2.37.0.0 – through 7.0.76.4.0 – through 6.4.116.2.0 – through 6.2.126.0.0 – through 6.0.16

Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:U/RC:R

References