CVE-2021-32593
Last modified
CVE-2021-32593 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiwan | <= 4.5.8 |
References
- https://fortiguard.com/psirt/FG-IR-21-070Patch, Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-21-070Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-32593?
How severe is CVE-2021-32593?
How do I fix CVE-2021-32593?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-32587An improper access control vulnerability in FortiManager and…4.3
- CVE-2021-32588A use of hard-coded credentials (CWE-798) vulnerability in F…9.8
- CVE-2021-32589A Use After Free (CWE-416) vulnerability in FortiManager ver…9.8
- CVE-2021-32590Multiple improper neutralization of special elements used in…8.8
- CVE-2021-32591A missing cryptographic steps vulnerability in the function …5.3
- CVE-2021-32592An unsafe search path vulnerability in FortiClientWindows 7.…7.8
- CVE-2021-32594An unrestricted file upload vulnerability in the web interfa…8.1
- CVE-2021-32595Multiple uncontrolled resource consumption vulnerabilities i…6.5
- CVE-2021-32596A use of one-way hash with a predictable salt vulnerability …7.5
- CVE-2021-32597Multiple improper neutralization of input during web page ge…5.4
- CVE-2021-32598An improper neutralization of CRLF sequences in HTTP headers…4.3
- CVE-2021-32600An exposure of sensitive information to an unauthorized acto…3.8
Are you affected by CVE-2021-32593?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST