SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-4967

Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server

HIGH 7.5EPSS 0.89%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.89% probability · 57th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
citrix/netscaler application delivery controller · citrix/netscaler gateway
Source
secure@citrix.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.