CVE-2015-6321

Description

Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Email Security Appliance (ESA) devices; before 9.1.0-032, 9.1.1 before 9.1.1-005, and 9.5.x before 9.5.0-025 on Content Security Management Appliance (SMA) devices; and before 7.7.0-725 and 8.x before 8.0.8-113 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via a flood of TCP packets, aka Bug IDs CSCus79774, CSCus79777, and CSCzv95795.

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.01% Top 25%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos vendor advisory
http://www.securitytracker.com/id/1034060 vdb entry
http://www.securitytracker.com/id/1034061 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-6321?
CVE-2015-6321 has been scored as a high severity vulnerability.
How to fix CVE-2015-6321?
To fix CVE-2015-6321, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6321 being actively exploited in the wild?
It is possible that CVE-2015-6321 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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