TI-2023-12705 Aliases CVE-2023-28126 GHSA-9mhq-xcrq-xc75

Authentication bypass in Avalanche

MEDIUM 63CWE-305Published 2023-05-09 · Updated 2025-01-29

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An authentication bypass vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to gain access by exploiting the SetUser method or can exploit the Race Condition in the authentication message.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.66659 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: No
Technical impact: Partial

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
—	Avalanche	Avalanche versions 6.3.x and below	—	No fix listed	CNA

Avalanche Vendor— Affected Avalanche versions 6.3.x and below Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ivanti:avalanche:::::premise:::*	up to 6.3.4.153	Vulnerable	Ivanti

cpe:2.3:a:ivanti:avalanche:*:*:*:*:premise:*:*:* Versions up to 6.3.4.153 Vulnerable ·Ivanti

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-28126
2026-10-03 Alias added: GHSA-9mhq-xcrq-xc75

References

Advisory 1

https://forums.ivanti.com/s/article/ZDI-CAN-17750-Ivanti-Avalanche-EnterpriseServer-GetSettings-Exposed-Dangerous-Method-Authentication-Bypass-Vulnerability?language=en_US

TI-2022-17179 Deserialization of untrusted data in Ivanti Avalanche CVSS 3.1CRITICAL 9.8
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

See all 116 →

Sources

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