CVE-2024-38653
Published: 14 August 2024
Summary
CVE-2024-38653 is a high-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Ivanti Avalanche. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-38653 is an XML External Entity (XXE) vulnerability, tracked under CWE-611, that affects the SmartDeviceServer component in Ivanti Avalanche 6.3.1. The flaw permits improper processing of XML input containing external entity references, which can be leveraged to access local resources on the affected server. It carries a CVSS 3.1 base score of 7.5, reflecting network attack vector, low complexity, and no required authentication or user interaction.
A remote unauthenticated attacker can send a crafted XML payload to the SmartDeviceServer service over the network and retrieve arbitrary files from the server filesystem, resulting in disclosure of sensitive data without affecting integrity or availability.
The official Ivanti security advisory covering CVE-2024-38653 and related issues recommends upgrading Avalanche to version 6.4.4 or later to remediate the XXE exposure along with the other listed vulnerabilities.
The associated EPSS score remains elevated near 0.91, indicating sustained exploitation interest following disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-37508
Vulnerability details
XXE in SmartDeviceServer in Ivanti Avalanche 6.3.1 allows a remote unauthenticated attacker to read arbitrary files on the server.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.