TI-2022-17179 Aliases CVE-2022-36974 GHSA-4fpc-4gp5-rfgp

Deserialization of untrusted data in Ivanti Avalanche

CRITICAL 90CWE-502Published 2023-03-29 · Updated 2025-02-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

This vulnerability allows remote attackers to execute arbitrary code 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 Web File Server service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15330.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.84454 99th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Ivanti	Avalanche	6.3.2.3490	—	No fix listed	CNA

Avalanche VendorIvanti Affected 6.3.2.3490 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ivanti:avalanche::::::::	6.3.2.3490 to before 6.3.4	Vulnerable	Ivanti

cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:* Versions 6.3.2.3490 to before 6.3.4 Vulnerable ·Ivanti

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-36974
2026-10-03 Alias added: GHSA-4fpc-4gp5-rfgp

References

Advisory 1

https://www.zerodayinitiative.com/advisories/ZDI-22-779/

Other 1

https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt

TI-2023-15842 Improper input validation in Ivanti Avalanche CVSS 3.1CRITICAL 9.8
TI-2023-24891 Unrestricted file upload in Ivanti Avalanche CVSS 3.1CRITICAL 9.8
TI-2023-15845 An unauthenticated attacker could achieve the code execution through a RemoteControl server. CVSS 3.1CRITICAL 9.8
TI-2022-17186 Path traversal in Ivanti Avalanche CVSS 3.1CRITICAL 9.8
TI-2023-24890 Unrestricted file upload in Ivanti Avalanche CVSS 3.1CRITICAL 9.8
TI-2024-25888 XML external entity injection in Ivanti Avalanche CVSS 3.1HIGH 7.5

See all 116 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences