CVE-2024-20276 Denial of service in IOS
An unauthenticated adjacent attacker can cause a Cisco Catalyst switch to reload by sending crafted traffic, resulting in a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-20276?
CVE-2024-20276 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
Weakness: CWE-248
Which versions are affected by CVE-2024-20276?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2024-20276?
No fix has been published for CVE-2024-20276 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-20276 being exploited?
There is no known exploitation of CVE-2024-20276 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-6287-hmpp-gmqm.