CVE record · CVE-2023-38036

Buffer overflow in Ivanti Avalanche

CVSS 9.8 CriticalCriticalEPSS 0.028 · 86th percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: hackerone) at 12 Jul 2025, 03:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Ivanti	Avalanche	affected 6.4.0 to before 6.4.1 custom Other versions: unaffected

Identifiers: CVE-2023-38036
CNA: hackerone
Weakness (CWE): CWE-120
Tags: Ivanti Avalanche
Memory corruption
Published: 12 Jul 2025
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.028, the 86th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

12 Jul 2025, 03:30 UTC Confirmed by the CVE List

Sources

References from the CNA

forums.ivanti.com/s/article/Security-Advisory-Avalanche-CVE-2023-38036

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.