SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-42126

An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.

HIGH 8.8EPSS 3.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.

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
3.87% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-285
Affected
ivanti/avalanche
Source
support@hackerone.com

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