Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-6321

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
06/11/2015
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:web_security_appliance:5.6.0-623:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:6.0.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.0-825:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.1-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.5.2-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:7.7.1-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:8.0.0-000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:web_security_appliance:8.5.0.000:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:7.8.0-328:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:7.8.1-001:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:7.9.0-201:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:7.9.2-116:*:*:*:*:*:*:*
cpe:2.3:a:cisco:content_security_management_appliance:8.0.1-031:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools