CVE-2021-26113 json
A use of a one-way hash with a predictable salt vulnerability [CWE-760] in FortiWAN before 4.5.9 may allow an attacker who has previously c…
published 2022-04-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12934
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
A use of a one-way hash with a predictable salt vulnerability [CWE-760] in FortiWAN before 4.5.9 may allow an attacker who has previously come in possession of the password file to potentially guess passwords therein stored.
Patch / fix
- fortinet fortiwan 4.5.9
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:U/RC:C |
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Fortinet Fortinet FortiWAN
Classification
- Weakness
-
- CWE-916 Use of Password Hash With Insufficient Computational Effort
- Technology feeds
References
-
fortiguard.com
/psirt/FG-IR-21-064
vendor-advisory
Sources
- CVE List CVE-2021-26113
- NVD CVE-2021-26113
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.