CVE-2022-39948 — Improper Certificate Validation in Fortinet Fortios

CWE-295 — Improper Certificate Validation4 documents4 sources
Severity
7.4HIGHNVD
CNA4.8
EPSS
0.2%
top 58.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Fortinet FortiosFortinet Fortiproxy
Timeline
PublishedFeb 16

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/FortiPr…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 2.2 | Impact: 5.2

Affected Packages4 packages

▶NVDfortinet/fortios6.0.0 — 7.0.8+1
▶NVDfortinet/fortiproxy7.0.0 — 7.0.7+1
▶CVEListV5fortinet/fortios7.2.0 — 7.2.3+4
▶CVEListV5fortinet/fortiproxy7.0.0 — 7.0.6+2

🔴Vulnerability Details

2
CVEList
CVE-2022-39948: An improper certificate validation vulnerability [CWE-295] in FortiOS 7↗2023-02-16
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GHSA
GHSA-3p3g-v9c5-jwvw: An improper certificate validation vulnerability [CWE-295] in FortiOS 7↗2023-02-16
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📋Vendor Advisories

1
Fortinet
Lack of certificate verification when establishing secure connections with threat feed fabric connectors↗2023-02-16
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CVE-2022-39948 — Improper Certificate Validation | cvebase