Vulnerability in Fortinet Fortios
CVE-2022-39948
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)
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.2.0, 7.0.0, 6.4.0
- Fortinet Fortiproxy — versions 7.0.0, 2.0.0, 1.2.0
Weakness classification (CWE)
References
- fortiguard.com/psirt/FG-IR-22-257 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-39948?
- CVE-2022-39948 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2023-02-16.
- How severe is CVE-2022-39948?
- Medium severity. CVSS v3 base score is 4.8 out of 10.