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.

Vulnerability/
CVE-2015-4236

medium

4.3

CWE

399

10/7/2015

6/8/2024

CVE-2015-4236

First published: Fri Jul 10 2015(Updated: )

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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Email Security Appliance Firmware	=8.5.6-074
Cisco AsyncOS Software for Cisco Email Security Appliances	=8.5.6-073
Cisco AsyncOS Software for Cisco Email Security Appliances	=9.0.0-461

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Reference Links

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.

agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/author
agent/last-modified-date
agent/weakness
agent/description
agent/event
agent/first-publish-date
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/cisco
canonical/cisco email security appliance firmware
version/cisco email security appliance firmware/8.5.6-074
canonical/cisco asyncos software for cisco email security appliances
version/cisco asyncos software for cisco email security appliances/8.5.6-073
version/cisco asyncos software for cisco email security appliances/9.0.0-461

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