CVE-2023-31176 Insufficient entropy vulnerability could lead to authentication bypass
An attacker can brute-force session tokens to bypass authentication on SEL-451 devices, gaining unauthorized access to critical infrastructure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-31176?
CVE-2023-31176 is a high-severity authentication bypass vulnerability in Schweitzer Engineering Laboratories SEL-451, published on 30 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Insufficient Entropy vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow an unauthenticated remote attacker to brute-force session tokens and bypass authentication.
See product Instruction Manual Appendix A dated 20230830 for more details.
Weakness: CWE-331
Which versions are affected by CVE-2023-31176?
It affects 1 product.
Products include Selinc Sel-451 Firmware.
How do I fix CVE-2023-31176?
No fix has been published for CVE-2023-31176 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-31176 being exploited?
There is no known exploitation of CVE-2023-31176 in the wild and no public exploit code.
Other vulnerabilities in Schweitzer Engineering Laboratories SEL-451
- CVE-2023-34388 Improper authentication could lead to session hijacking
- CVE-2023-34389 Allocation of resources without limits could lead to denial of service
- CVE-2023-34390 Improper input validation could lead to denial of service
- CVE-2023-31177 Improper neutralizataion of input could lead to execution of arbitrary code
Sources
Also known as GHSA-437p-76r5-9789.