What is CVE-2024-38653?

CVE-2024-38653 is a high-severity vulnerability in Ivanti Avalanche, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2024-08-14.

How severe is CVE-2024-38653?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-38653 known to be exploited?

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

XXE in Ivanti Avalanche

CVE-2024-38653

XXE in SmartDeviceServer in Ivanti Avalanche 6.3.1 allows a remote unauthenticated attacker to read arbitrary files on the server.

Vulnerability class: XXE (XML External Entity)

Published 2024-08-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.920 (99.8th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.920 · newest: 0.920 · change: 0.000

Affected products

Ivanti Avalanche — versions 6.4.0, 6.3.2, 6.4.4

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

Public proof-of-concept exploits

References

forums.ivanti.com/s/article/Security-Advisory-Ivanti-Avalanche-6-4-4-CVE-2024-3… (Vendor Advisory)

Frequently asked questions

What is CVE-2024-38653?: CVE-2024-38653 is a high-severity vulnerability in Ivanti Avalanche, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2024-08-14.
How severe is CVE-2024-38653?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-38653 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.