Vulnerability Details : CVE-2020-8193
Improper access control 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 allows unauthenticated access to certain URL endpoints.
Vulnerability category: BypassGain privilege
CVE-2020-8193
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Authorization Bypass 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 authorization bypass vulnerability that may allow unauthenticated access to certain URL endpoints. The attacker must have access to the NetScaler IP (NSIP) in order to perform exploitation.
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-8193
Probability of exploitation activity in the next 30 days: 93.67%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-8193
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
[email protected] |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
3.9
|
2.5
|
[email protected] |
CWE ids for CVE-2020-8193
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: [email protected] (Secondary)
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: [email protected] (Primary)
References for CVE-2020-8193
-
http://packetstormsecurity.com/files/160047/Citrix-ADC-NetScaler-Local-File-Inclusion.html
Exploit;Third Party Advisory;VDB Entry
-
https://support.citrix.com/article/CTX276688
Vendor Advisory
Products affected by CVE-2020-8193
- 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:*:*:*:*:*:*:*:*