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Vulnerability Details : CVE-2015-6321

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.
Publish Date : 2015-11-05 Last Update Date : 2016-12-07
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- CVSS Scores & Vulnerability Types

CVSS Score
7.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Products Affected By CVE-2015-6321

# Product Type Vendor Product Version Update Edition Language
1 Application Cisco Content Security Management Appliance 7.8.0-328 Version Details Vulnerabilities
2 Application Cisco Content Security Management Appliance 7.8.1-001 Version Details Vulnerabilities
3 Application Cisco Content Security Management Appliance 7.9.0-201 Version Details Vulnerabilities
4 Application Cisco Content Security Management Appliance 7.9.2-116 Version Details Vulnerabilities
5 Application Cisco Content Security Management Appliance 8.0.1-031 Version Details Vulnerabilities
6 Application Cisco Content Security Management Appliance 8.1.0-001 Version Details Vulnerabilities
7 Application Cisco Content Security Management Appliance 8.1.1-033 Version Details Vulnerabilities
8 Application Cisco Content Security Management Appliance 8.1.2-000 Version Details Vulnerabilities
9 Application Cisco Content Security Management Appliance 8.2.0-238 Version Details Vulnerabilities
10 Application Cisco Content Security Management Appliance 8.3.0-350 Version Details Vulnerabilities
11 Application Cisco Content Security Management Appliance 8.3.5-061 Version Details Vulnerabilities
12 Application Cisco Content Security Management Appliance 8.3.6-014 Version Details Vulnerabilities
13 Application Cisco Content Security Management Appliance 8.3.7-010 Version Details Vulnerabilities
14 Application Cisco Content Security Management Appliance 8.4.0-150 Version Details Vulnerabilities
15 Application Cisco Content Security Management Appliance 9.0.0-073 Version Details Vulnerabilities
16 Application Cisco Content Security Management Appliance 9.1.0-004 Version Details Vulnerabilities
17 Application Cisco Email Security Appliance 7.6.1-000 Version Details Vulnerabilities
18 Application Cisco Email Security Appliance 7.6.3-000 Version Details Vulnerabilities
19 Application Cisco Email Security Appliance 7.7.0-000 Version Details Vulnerabilities
20 Application Cisco Email Security Appliance 7.7.1-000 Version Details Vulnerabilities
21 Application Cisco Email Security Appliance 7.8.0-311 Version Details Vulnerabilities
22 Application Cisco Email Security Appliance 8.5.6-052 Version Details Vulnerabilities
23 Application Cisco Email Security Appliance 8.6.0-011 Version Details Vulnerabilities
24 Application Cisco Email Security Appliance 8.9.1-000 Version Details Vulnerabilities
25 Application Cisco Email Security Appliance 8.9.2-032 Version Details Vulnerabilities
26 Application Cisco Email Security Appliance 9.0.0-212 Version Details Vulnerabilities
27 Application Cisco Email Security Appliance 9.0.5-000 Version Details Vulnerabilities
28 Application Cisco Email Security Appliance 9.1.0-011 Version Details Vulnerabilities
29 Application Cisco Email Security Appliance 9.4.4-000 Version Details Vulnerabilities
30 Application Cisco Email Security Appliance 9.5.0-000 Version Details Vulnerabilities
31 Application Cisco Web Security Appliance 5.6.0-623 Version Details Vulnerabilities
32 Application Cisco Web Security Appliance 6.0.0-000 Version Details Vulnerabilities
33 Application Cisco Web Security Appliance 7.5.0-000 Version Details Vulnerabilities
34 Application Cisco Web Security Appliance 7.5.0-825 Version Details Vulnerabilities
35 Application Cisco Web Security Appliance 7.5.1-000 Version Details Vulnerabilities
36 Application Cisco Web Security Appliance 7.5.2-000 Version Details Vulnerabilities
37 Application Cisco Web Security Appliance 7.7.0-000 Version Details Vulnerabilities
38 Application Cisco Web Security Appliance 7.7.1-000 Version Details Vulnerabilities
39 Application Cisco Web Security Appliance 8.0.0-000 Version Details Vulnerabilities
40 Application Cisco Web Security Appliance 8.5.0.000 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Content Security Management Appliance 16
Cisco Email Security Appliance 14
Cisco Web Security Appliance 10

- References For CVE-2015-6321

http://www.securitytracker.com/id/1034061
SECTRACK 1034061
http://www.securitytracker.com/id/1034060
SECTRACK 1034060
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aos
CISCO 20151104 Cisco AsyncOS TCP Flood Denial of Service Vulnerability

- Metasploit Modules Related To CVE-2015-6321

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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