Vulnerability Name:

CVE-2020-8187 (CCN-184668)

Assigned:2020-07-07
Published:2020-07-07
Updated:2020-07-13
Summary:Improper input validation in Citrix ADC and Citrix Gateway versions before 11.1-63.9 and 12.0-62.10 allows unauthenticated users to perform a denial of service attack.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 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:H/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): High
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-8187

Source: XF
Type: UNKNOWN
citrix-cve20208187-dos(184668)

Source: CCN
Type: CTX276688
Citrix Application Delivery Controller, Citrix Gateway, and Citrix SD-WAN WANOP appliance Security Update

Source: MISC
Type: Vendor Advisory
https://support.citrix.com/article/CTX276688

Vulnerable Configuration:Configuration 1:
  • cpe:/o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 11.1 and < 11.1-63.9)
  • OR cpe:/o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.0-62.10)
  • AND
  • cpe:/h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 11.1 and < 11.1-63.9)
  • OR cpe:/o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.0-62.10)
  • AND
  • cpe:/h:citrix:netscaler_gateway:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:citrix:gateway_firmware:11.1:*:*:*:*:*:*:*
  • OR cpe:/o:citrix:gateway_firmware:12.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    citrix application delivery controller firmware *
    citrix application delivery controller firmware *
    citrix application delivery controller -
    citrix netscaler gateway firmware *
    citrix netscaler gateway firmware *
    citrix netscaler gateway -
    citrix gateway firmware 11.1
    citrix gateway firmware 12.0