CVE-2023-32560

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 99.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-08-10 · updated 2026-06-17
Weakness: CWE-787

Description

An attacker can send a specially crafted message to the Wavelink Avalanche Manager, which could result in service disruption or arbitrary code execution. Thanks to a Researcher at Tenable for finding and reporting. Fixed in version 6.4.1.

Affected products

Ivanti Avalanche: before 6.4.1 — fixed in 6.4.1

How to fix

Upgrade to a fixed version: Ivanti Avalanche 6.4.1. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/174459/Ivanti-Avalance-Remote-Code-Execution.html
http://packetstormsecurity.com/files/174698/Ivanti-Avalanche-MDM-Buffer-Overflow.html
https://forums.ivanti.com/s/article/Avalanche-Vulnerabilities-Addressed-in-6-4-1?language=en_US
http://packetstormsecurity.com/files/174459/Ivanti-Avalance-Remote-Code-Execution.html
http://packetstormsecurity.com/files/174698/Ivanti-Avalanche-MDM-Buffer-Overflow.html
https://forums.ivanti.com/s/article/Avalanche-Vulnerabilities-Addressed-in-6-4-1?language=en_US

Get alerted when CVE-2023-32560 or the next vulnerability affects your stack