What is CVE-2023-28127?

CVE-2023-28127 is a high-severity vulnerability in Ivanti Avalanche, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-05-09.

How severe is CVE-2023-28127?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Ivanti Avalanche

CVE-2023-28127

A path traversal vulnerability exists in Avalanche version 6.3.x and below that when exploited could result in possible information disclosure.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-05-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.586 (99.1th percentile), scored 2026-10-30.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.586 · newest: 0.586 · change: 0.000

Affected products

Ivanti Avalanche
Avalanche — versions Avalanche version 6.3.x and below

Weakness classification (CWE)

CWE-22 — Path Traversal

References

forums.ivanti.com/s/article/ZDI-CAN-17769-Ivanti-Avalanche-getLogFile-Directory… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28127?: CVE-2023-28127 is a high-severity vulnerability in Ivanti Avalanche, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-05-09.
How severe is CVE-2023-28127?: High severity. CVSS v3 base score is 7.5 out of 10.