SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-18225

An attacker with management-interface access can bypass authentication to obtain appliance administrative access.

CRITICAL 9.8EPSS 1.51%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway before 10.5 build 70.8, 11.x before 11.1 build 63.9, 12.0 before build 62.10, 12.1 before build 54.16, and 13.0 before build 41.28. An attacker with management-interface access can bypass authentication to obtain appliance administrative access. These products formerly used the NetScaler brand name.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.51% probability · 74th 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
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.51%26 October 202626 October 2026

EPSS 1.5% 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.