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6.5
CVE-2023-38999: A Cross-Site Request Forgery (CSRF) in the System Halt API (/system/halt) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to cause a Denial of Service ...
CVE-2023-38999 · published 3 years ago
Summary
A Cross-Site Request Forgery (CSRF) in the System Halt API (/system/halt) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to cause a Denial of Service (DoS) via a crafted GET request.
What to do
- Update opnsense opnsense to version 23.7 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| opnsense | opnsense |
< 23.7 cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:* |
Original advisory text
A Cross-Site Request Forgery (CSRF) in the System Halt API (/system/halt) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to cause a Denial of Service ...
A Cross-Site Request Forgery (CSRF) in the System Halt API (/system/halt) of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to cause a Denial of Service (DoS) via a crafted GET request.
References
- https://github.com/opnsense/core/commit/5d68f43d1f254144831881fc87d885eed120cf3c Patch
- https://logicaltrust.net/blog/2023/08/opnsense.html Third Party Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38999... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-38999 Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-352Cross-Site Request Forgery (CSRF)
Timeline
Published9 Aug 2023
Updated4 Nov 2026
First seen29 Sep 2026
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