CVE-2013-5537 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco security appliances by exhausting session resources via multiple TCP connections.
- 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-2013-5537?
CVE-2013-5537 is a high-severity denial of service vulnerability in Cisco Web Security Appliance, published on 24 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) devices does not properly manage the state of HTTP and HTTPS sessions, which allows remote attackers to cause a denial of service (management GUI outage) via multiple TCP connections, aka Bug IDs CSCuj59411, CSCuf89818, and CSCuh05635.
Weakness: CWE-20
Which versions are affected by CVE-2013-5537?
It affects 3 products.
Products include Cisco Content Security Management Appliance, Cisco Email Security Appliance Firmware, Cisco Web Security Appliance.
How do I fix CVE-2013-5537?
No fix has been published for CVE-2013-5537 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-2013-5537 being exploited?
There is no known exploitation of CVE-2013-5537 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
Sources
Also known as GHSA-pmxm-xgr9-jvfw.