CVE-2012-4651 Denial of service in n/a
Remote attackers can cause denial of service via SYN packets when Scan Safe is enabled on Cisco IOS devices.
- 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-2012-4651?
CVE-2012-4651 is a medium-severity denial of service vulnerability in Cisco Ios, published on 23 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
Weakness: CWE-189
Which versions are affected by CVE-2012-4651?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2012-4651?
No fix has been published for CVE-2012-4651 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-2012-4651 being exploited?
There is no known exploitation of CVE-2012-4651 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-49rh-g874-x54c.