CVE-2015-6321: High severity cisco web security appliance vulnerability

Published Nov 6, 2015
·
Updated

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.

Affected Software

40 affected components
Cisco Web Security Appliance=5.6.0-623
Cisco Web Security Appliance=6.0.0-000
Cisco Web Security Appliance=7.5.0-000
Cisco Web Security Appliance=7.5.0-825
Cisco Web Security Appliance=7.5.1-000
Cisco Web Security Appliance=7.5.2-000
Cisco Web Security Appliance=7.7.0-000
Cisco Web Security Appliance=7.7.1-000
Cisco Web Security Appliance=8.0.0-000
Cisco Web Security Appliance=8.5.0.000
Cisco Content Security Management Appliance=7.8.0-328
Cisco Content Security Management Appliance=7.8.1-001
Cisco Content Security Management Appliance=7.9.0-201
Cisco Content Security Management Appliance=7.9.2-116
Cisco Content Security Management Appliance=8.0.1-031
Cisco Content Security Management Appliance=8.1.0-001
Cisco Content Security Management Appliance=8.1.1-033
Cisco Content Security Management Appliance=8.1.2-000
Cisco Content Security Management Appliance=8.2.0-238
Cisco Content Security Management Appliance=8.3.0-350
Cisco Content Security Management Appliance=8.3.5-061
Cisco Content Security Management Appliance=8.3.6-014
Cisco Content Security Management Appliance=8.3.7-010
Cisco Content Security Management Appliance=8.4.0-150
Cisco Content Security Management Appliance=9.0.0-073
Cisco Content Security Management Appliance=9.1.0-004
Cisco Email Security Appliance=7.6.1-000
Cisco Email Security Appliance=7.6.3-000
Cisco Email Security Appliance=7.7.0-000
Cisco Email Security Appliance=7.7.1-000
Cisco Email Security Appliance=7.8.0-311
Cisco Email Security Appliance=8.5.6-052
Cisco Email Security Appliance=8.6.0-011
Cisco Email Security Appliance=8.9.1-000
Cisco Email Security Appliance=8.9.2-032
Cisco Email Security Appliance=9.0.0-212
Cisco Email Security Appliance=9.0.5-000
Cisco Email Security Appliance=9.1.0-011
Cisco Email Security Appliance=9.4.4-000
Cisco Email Security Appliance=9.5.0-000

Event History

Nov 6, 2015
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-6321?

The severity of CVE-2015-6321 is considered high due to the potential for remote code execution vulnerabilities in Cisco devices.

2

How do I fix CVE-2015-6321?

To fix CVE-2015-6321, you should upgrade the affected Cisco devices to the latest recommended firmware versions.

3

Which Cisco products are affected by CVE-2015-6321?

CVE-2015-6321 affects Cisco Email Security Appliances, Web Security Appliances, and Content Security Management Appliances.

4

Are there any workarounds for CVE-2015-6321?

There are no specific workarounds for CVE-2015-6321; the recommended action is to apply the firmware updates.

5

What is the impact of CVE-2015-6321 if exploited?

If exploited, CVE-2015-6321 could allow an attacker to execute arbitrary code on the affected Cisco devices.

Company

Resources

Contact

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