An attacker can send a specially crafted message to the Wavelink Avalanche Manager, which could result in service disruption or arbitrary c…

published 2023-08-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-36804

cvss: 8.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 99.4%; EPSS 99.4% chance of exploitation in 30 days, percentile 99.9%
public exploits: 2; Metasploit, Exploit-DB

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.

Patch / fix

fixed in 1

ivanti avalanche 6.4.1

Timeline

2023-08-10 Published
2023-08-14 First public exploit (Metasploit exploit/windows/misc/ivanti_avalanche_mdm_bof)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 20 mo ago (2025-03-06)

Exploit prediction

99.40% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit exploit/windows/misc/ivanti_avalanche_mdm_bof Ivanti Avalanche MDM Buffer Overflow metasploit exploit, excellent rank, 2023-08-14
EDB-51699 Ivanti Avalanche <v6.4.0.0 - Remote Code Execution remote, 2023-09-04

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.8	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ivanti Avalanche

Classification

Weakness

CWE-787 Out-of-bounds Write
CWE-20 Improper Input Validation

References

Sources

CVE List CVE-2023-32560
NVD CVE-2023-32560

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary