What is CVE-2023-28126?

CVE-2023-28126 is a medium-severity vulnerability in Ivanti Avalanche, classified under Authentication Bypass by Primary Weakness. CVSS score: 5.9/10. Published 2023-05-09.

How severe is CVE-2023-28126?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Ivanti Avalanche

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 method or can exploit the Race Condition in the authentication message.

EPSS: 0.667 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ivanti Avalanche
N/a Avalanche — versions Avalanche versions 6.3.x and below

Weakness classification (CWE)

CWE-305 — Authentication Bypass by Primary Weakness
CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28126?: CVE-2023-28126 is a medium-severity vulnerability in Ivanti Avalanche, classified under Authentication Bypass by Primary Weakness. CVSS score: 5.9/10. Published 2023-05-09.
How severe is CVE-2023-28126?: Medium severity. CVSS v3 base score is 5.9 out of 10.