High severity · published Mar 29, 2023
CVE-2022-36980
This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490
8.1
CVSS
82.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)82.4% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
Avalanche · Ivanti
6.3.2.3490 before 6.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-36980
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-36980
Release Notes
https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-785/
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