CVE-2024-20465 Security feature bypass in IOS
Unauthenticated remote attackers can bypass access control lists on Cisco Industrial Ethernet switches when Resilient Ethernet Protocol is toggled.
- 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-2024-20465?
CVE-2024-20465 is a medium-severity vulnerability in Cisco Ios, published on 25 Sep 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 IOS Software running on Cisco Industrial Ethernet 4000, 4010, and 5000 Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the incorrect handling of IPv4 ACLs on switched virtual interfaces when an administrator enables and disables Resilient Ethernet Protocol (REP). An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
Weakness: CWE-284
Which versions are affected by CVE-2024-20465?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2024-20465?
No fix has been published for CVE-2024-20465 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-20465 being exploited?
There is no known exploitation of CVE-2024-20465 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-q728-88fr-65v3.