CVE-2021-32593 json
A use of a broken or risky cryptographic algorithm vulnerability [CWE-327] in the Dynamic Tunnel Protocol of FortiWAN before 4.5.9 may allo…
published 2022-04-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19433
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
A use of a broken or risky cryptographic algorithm vulnerability [CWE-327] in the Dynamic Tunnel Protocol of FortiWAN before 4.5.9 may allow an unauthenticated remote attacker to decrypt and forge protocol communication messages.
Patch / fix
- fortiguard.com/psirt/FG-IR-21-070 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- Fortinet Fortinet FortiWAN
Classification
- Weakness
-
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
- Technology feeds
References
-
fortiguard.com
/psirt/FG-IR-21-070
patch, vendor-advisory
Sources
- CVE List CVE-2021-32593
- NVD CVE-2021-32593
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