SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-36980

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490.

HIGH 8.1EPSS 82.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 82.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
82.42% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-367
Affected
ivanti/avalanche
Source
zdi-disclosures@trendmicro.com
EPSS trend
0%43%85%3 November 2026: 82.42%3 November 20263 November 2026

EPSS 82.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. 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.