Vulnerability in Fortinet Fortitokenandroid, Fortitokenios, Fortitokenwinapp
CVE-2021-22131
A improper validation of certificate with host mismatch in Fortinet FortiTokenAndroid version 5.0.3 and below, Fortinet FortiTokeniOS version 5.2.0 and below, Fortinet FortiTokenWinApp version 4.0.3 and below allows attacker to retrieve information disclosed via man-in-the-middle attacks.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Fortinet Fortitokenandroid, Fortitokenios, Fortitokenwinapp — versions FortiTokenAndroid 5.0.3, 5.0.2, 4.5.0, 4.4.0, 4.3.0, 4.2.2, 4.2.1, 4.1.1, 4.0.1, 4.0.0, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 0.4.20, 0.4.10, FortiTokeniOS 5.2.0, 4.3.0, 4.2.0, 4.1.1, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, FortiTokenWinApp 4.0.3, 3.0.1, 3.0.0
- Fortinet Fortitoken Mobile — versions 0.4.10, 0.4.20, 3.0.0
Weakness classification (CWE)
References
- fortiguard.com/advisory/FG-IR-21-024 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22131?
- CVE-2021-22131 is a medium-severity vulnerability in Fortinet Fortitokenandroid, Fortitokenios, Fortitokenwinapp, classified under Improper Certificate Validation. CVSS score: 6.4/10. Published 2022-07-18.
- How severe is CVE-2021-22131?
- Medium severity. CVSS v3 base score is 6.4 out of 10.