What is CVE-2023-32560?

CVE-2023-32560 is a critical-severity vulnerability in Ivanti Avalanche, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-10.

How severe is CVE-2023-32560?

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

Is CVE-2023-32560 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Ivanti Avalanche

CVE-2023-32560

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.

Vulnerability class: Buffer Overflow

EPSS: 0.989 (99.9th percentile) — read the EPSS interpretation.

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.

Affected products

Ivanti Avalanche — versions 6.4.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-32560?: CVE-2023-32560 is a critical-severity vulnerability in Ivanti Avalanche, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-10.
How severe is CVE-2023-32560?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-32560 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.