CVE-2015-6293 Denial of service in n/a
Remote attackers can cause denial of service on Cisco Web Security Appliances via multiple file-range requests, requiring an upgrade to patched versions.
- 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-2015-6293?
CVE-2015-6293 is a high-severity denial of service vulnerability in Cisco Web Security Appliance, published on 6 Nov 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco AsyncOS 8.x before 8.0.8-113, 8.1.x and 8.5.x before 8.5.3-051, 8.6.x and 8.7.x before 8.7.0-171-LD, and 8.8.x before 8.8.0-085 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via multiple file-range requests, aka Bug ID CSCur39155.
Weakness: CWE-399
Which versions are affected by CVE-2015-6293?
It affects 1 product.
Products include Cisco Web Security Appliance.
How do I fix CVE-2015-6293?
No fix has been published for CVE-2015-6293 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-2015-6293 being exploited?
There is no known exploitation of CVE-2015-6293 in the wild and no public exploit code.
Other vulnerabilities in Cisco Web Security Appliance
- CVE-2015-6298 Command injection in n/a
- CVE-2019-1817 Cisco Web Security Appliance Malformed Request Denial of Service Vulnerability
- CVE-2018-0410 Denial of service in AsyncOS Software for Cisco Web Security Appliances
- CVE-2015-6292 Denial of service in n/a
- CVE-2018-0353 Security feature bypass in Cisco Web Security Appliance unknown
Sources
Also known as GHSA-h5r9-cw28-55qj.