CVE-2015-4236: Medium severity cisco email security appliance firmware vulnerability
Cisco AsyncOS on Email Security Appliance (ESA) devices with software 8.5.6-073, 8.5.6-074, and 9.0.0-461, when clustering is enabled, allows remote attackers to cause a denial of service (clustering and SSH outage) via a packet flood, aka Bug IDs CSCur13704 and CSCuq05636.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-4236?
The severity of CVE-2015-4236 is rated as critical due to its potential to cause a denial of service.
How do I fix CVE-2015-4236?
To fix CVE-2015-4236, upgrade the Cisco AsyncOS on Email Security Appliance to a version that is not affected, such as those released after the identified versions.
What devices are affected by CVE-2015-4236?
CVE-2015-4236 affects Cisco AsyncOS on Email Security Appliance devices running versions 8.5.6-073, 8.5.6-074, and 9.0.0-461.
What type of attack does CVE-2015-4236 allow?
CVE-2015-4236 allows remote attackers to execute a denial of service attack through a packet flood.
Is clustering affected by CVE-2015-4236?
Yes, CVE-2015-4236 impacts clustering functionality on the affected Cisco Email Security Appliance devices.