CVE-2023-32564
CWE-434Published: August 10, 2023· Updated: Jun 17, 2026
Official Description
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.
Risk Analysis
Ivanti Avalanche contains an unrestricted file upload vulnerability that allows an attacker to achieve remote code execution. This critical flaw poses a severe risk to system security and control. The high CVSS score indicates that this should be treated as a priority for patching.
No public exploit is known for this vulnerability, and it is not in the CISA KEV catalog. It is remotely exploitable.
Upgrade to a version of Ivanti Avalanche beyond 6.4.1 to prevent unauthorized file uploads and code execution.
Technical Analysis
CVE-2023-32564 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-434)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-32564 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts