SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8197

Privilege escalation vulnerability on 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 allows a low privileged user with management access to execute arbitrary commands.

HIGH 8.8EPSS 1.82%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Privilege escalation vulnerability on 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 allows a low privileged user with management access to execute arbitrary commands.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.82% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
citrix/application delivery controller firmware · citrix/netscaler gateway firmware · citrix/gateway firmware
Source
support@hackerone.com
EPSS trend
0%3%5%26 October 2026: 1.82%26 October 202626 October 2026

EPSS 1.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.