CVE-2012-4622 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco Catalyst 4500E switches with Supervisor Engine 7L-E cards by sending malformed packets.
- 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-2012-4622?
CVE-2012-4622 is a high-severity denial of service vulnerability in Cisco Ios Xe, published on 27 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XE 03.02.00.XO.15.0(2)XO on Catalyst 4500E series switches, when a Supervisor Engine 7L-E card is installed, allows remote attackers to cause a denial of service (card reload) via malformed packets that trigger uncorrected ECC error messages, aka Bug ID CSCty88456.
Weakness: CWE-399
Which versions are affected by CVE-2012-4622?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2012-4622?
No fix has been published for CVE-2012-4622 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-2012-4622 being exploited?
There is no known exploitation of CVE-2012-4622 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-gw39-q5qm-cq3g.