// For flags

CVE-2022-36980

Ivanti Avalanche EnterpriseServer Service Race Condition Authentication Bypass Vulnerability

Severity Score

8.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

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

*Credits: Piotr Bazydlo (@chudypb)
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-26 CVE Published
  • 2022-07-27 CVE Reserved
  • 2024-08-03 CVE Updated
  • 2024-11-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ivanti
Search vendor "Ivanti"
 Avalanche
Search vendor "Ivanti" for product "Avalanche"
 >= 6.3.2.3490 < 6.3.4
Search vendor "Ivanti" for product "Avalanche" and version " >= 6.3.2.3490 < 6.3.4"
-
Affected