VDB-224490 · CVE-2022-36980 · ZDI-22-785

Ivanti Avalanche 6.3.2.3490 EnterpriseServer Service toctou

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as very critical was found in Ivanti Avalanche 6.3.2.3490. This affects an unknown part of the component EnterpriseServer Service. The manipulation results in toctou. This vulnerability is known as CVE-2022-36980. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Ivanti Avalanche 6.3.2.3490. Affected is an unknown function of the component EnterpriseServer Service. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published 03/30/2023 as ZDI-22-785. The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2022-36980 since 07/27/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/18/2026).

Upgrading to version 6.3.4 eliminates this vulnerability. The upgrade is hosted for download at download.wavelink.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-39637). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Endpoint Management Software

Vendor

Ivanti

Name

Avalanche

Version

6.3.2.3490

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.4
VulDB Meta Temp Score: 9.2

VulDB Base Score: 9.4
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.4
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Avalanche 6.3.4

Timelineinfo

07/27/2022 🔍
03/30/2023 +246 days 🔍
03/30/2023 +0 days 🔍
06/18/2026 +1176 days 🔍

Sourcesinfo

Advisory: ZDI-22-785
Status: Confirmed

CVE: CVE-2022-36980 (🔍)
GCVE (CVE): GCVE-0-2022-36980
GCVE (VulDB): GCVE-100-224490
EUVD: 🔍

Entryinfo

Created: 03/30/2023 09:12
Updated: 06/18/2026 05:16
Changes: 03/30/2023 09:12 (51), 06/18/2026 05:16 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.