CVE-2024-20371 Cisco Nexus 3550-F Switches Access Control List Programming Vulnerability
Unauthenticated remote attackers can bypass ACL restrictions to reach the management interface during device reboot on Cisco Nexus 3550-F switches.
- 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-2024-20371?
CVE-2024-20371 is a medium-severity vulnerability in Cisco Nexus 3550 System Software, published on 6 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the access control list (ACL) programming of Cisco Nexus 3550-F Switches could allow an unauthenticated, remote attacker to send traffic that should be blocked to the management interface of an affected device. This vulnerability exists because ACL deny rules are not properly enforced at the time of device reboot. An attacker could exploit this vulnerability by attempting to send traffic to the management interface of an affected device. A successful exploit could allow the attacker to send traffic to the management interface of the affected device.
Weakness: CWE-264
Which versions are affected by CVE-2024-20371?
How do I fix CVE-2024-20371?
No fix has been published for CVE-2024-20371 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-20371 being exploited?
There is no known exploitation of CVE-2024-20371 in the wild and no public exploit code.
Sources
Also known as GHSA-q7hr-x75r-2mp7.