CVE-2021-24019 json
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attack…
published 2021-10-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10939
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.3%
- EPSS 5.3% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)
Patch / fix
- fortinet forticlient_endpoint_management_server 6.2.9, 6.4.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
5.29% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:X |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Fortinet Fortinet FortiClientEMS
Classification
- Weakness
-
- CWE-613 DEPRECATED: Insufficient Session Expiration
- Technology feeds
References
-
fortiguard.com
/advisory/FG-IR-20-072
vendor-advisory
Sources
- CVE List CVE-2021-24019
- NVD CVE-2021-24019
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