Vulnerability Details : CVE-2020-8195
Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information disclosure to low privileged users.
Vulnerability category: Directory traversalInput validationInformation leak
Products affected by CVE-2020-8195
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
- Citrix » Application Delivery Controller FirmwareVersions from including (>=) 13.0 and before (<) 13.0-58.30cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- Citrix » Application Delivery Controller FirmwareVersions from including (>=) 12.0 and before (<) 12.0-63.21cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- Citrix » Application Delivery Controller FirmwareVersions from including (>=) 11.1 and before (<) 11.1-64.14cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- Citrix » Application Delivery Controller FirmwareVersions from including (>=) 12.1 and before (<) 12.1-57.18cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- Citrix » Application Delivery Controller FirmwareVersions from including (>=) 10.5 and before (<) 10.5-70.18cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*
- cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:gateway_plug-in_for_linux:*:*:*:*:*:*:*:*
CVE-2020-8195 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Information Disclosure Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an information disclosure vulnerability.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-8195
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-8195
89.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8195
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-8195
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: support@hackerone.com (Secondary)
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8195
-
http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html
Citrix ADC NetScaler Local File Inclusion ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://support.citrix.com/article/CTX276688
Citrix Application Delivery Controller, Citrix Gateway, and Citrix SD-WAN WANOP appliance Security UpdateVendor Advisory
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