CVE-2023-28126: 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…

PriorityP355medium5.9CVSS 3.1

AVNACHPRNUINSUCHINAN

EPSS

66.66%

99.2th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ivanti	avalanche	<= 6.3.4.153	—
ivanti	avalanche	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Monitor for exploitation of the SetUser method in Avalanche versions 6.3.x and below, which may indicate an authentication bypass attempt ↗

·Vulnerability affects Avalanche versions 6.3.x and below; patch or upgrade beyond 6.3.x to remediate ↗
·Two distinct attack vectors exist: abuse of the SetUser method and a race condition in the authentication message flow (CWE-305, CWE-362) ↗

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