CVE-2011-3297 Denial of service in n/a
Remote attackers can crash the Cisco Firewall Services Module by flooding authentication requests when specific authentication configurations are enabled.
- 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-2011-3297?
CVE-2011-3297 is a high-severity denial of service vulnerability in n/a, published on 6 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7), when certain authentication configurations are used, allows remote attackers to cause a denial of service (module crash) by making many authentication requests for network access, aka Bug ID CSCtn15697.
Weakness: CWE-287
Which versions are affected by CVE-2011-3297?
It affects 3 products.
Products include Cisco Catalyst 6500, Cisco Catalyst 7600, Cisco Firewall Services Module Software.
How do I fix CVE-2011-3297?
No fix has been published for CVE-2011-3297 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-2011-3297 being exploited?
There is no known exploitation of CVE-2011-3297 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q23r-7gwj-52ch.