Vulnerability Name:

CVE-2015-6386 (CCN-108369)

Assigned:2015-11-30
Published:2015-11-30
Updated:2017-09-14
Summary:The passthrough FTP feature on Cisco Web Security Appliance (WSA) devices with software 8.0.7-142 and 8.5.1-021 allows remote attackers to cause a denial of service (CPU consumption) via FTP sessions in which the control connection is ended after data transfer, aka Bug ID CSCut94150.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-6386

Source: CCN
Type: Cisco Security Advisory cisco-sa-20151130-wsa
Cisco Web Security Appliance Native FTP Denial of Service Vulnerability

Source: CISCO
Type: Vendor Advisory
20151130 Cisco Web Security Appliance Native FTP Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1034276

Source: XF
Type: UNKNOWN
cisco-wsa-cve20156386-dos(108369)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:web_security_appliance:8.0.7-142:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance:8.5.1-021:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:cisco:web_security_appliance_(wsa):8.0.7-142:*:*:*:*:*:*:*
  • OR cpe:/a:cisco:web_security_appliance_(wsa):8.5.1-021:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco web security appliance 8.0.7-142
    cisco web security appliance 8.5.1-021
    cisco web security appliance (wsa) 8.0.7-142
    cisco web security appliance (wsa) 8.5.1-021