What is CVE-2023-32564?

CVE-2023-32564 is a critical-severity vulnerability in Ivanti Avalanche, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-10.

How severe is CVE-2023-32564?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Ivanti Avalanche

CVE-2023-32564

An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.4.1 and below that could allow an attacker to achieve a remove code execution.

Vulnerability class: Unrestricted File Upload

Published 2023-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.444 (98.7th percentile), scored 2026-09-29.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.444 · newest: 0.444 · change: 0.000

Affected products

Ivanti Avalanche — versions 6.4.1

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

forums.ivanti.com/s/article/Avalanche-Vulnerabilities-Addressed-in-6-4-1 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-32564?: CVE-2023-32564 is a critical-severity vulnerability in Ivanti Avalanche, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-08-10.
How severe is CVE-2023-32564?: Critical severity. CVSS v3 base score is 9.8 out of 10.