CVE-2024-50320
Published: 12 November 2024
Summary
CVE-2024-50320 is a high-severity Infinite Loop (CWE-835) vulnerability in Ivanti Avalanche. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 2.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-50320 is an infinite loop vulnerability, tracked under CWE-835, that affects Ivanti Avalanche versions prior to 6.4.6. The flaw resides in the product’s network-facing components and carries a CVSS 3.1 base score of 7.5, reflecting network attack vector, low attack complexity, and no required authentication or user interaction, with a high impact solely on availability.
A remote unauthenticated attacker can send crafted requests that trigger the loop, exhausting resources and producing a denial-of-service condition against the Avalanche server. Because the attack requires no credentials or user assistance, it can be launched from anywhere on the network that can reach the affected service.
The official Ivanti security advisory at https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Avalanche-Multiple-CVEs-Q4-2024-Release addresses remediation steps and patch availability for this and related issues in the Q4 2024 release cycle. The associated EPSS score has remained stable at approximately 0.51 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-44816
Vulnerability details
An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial of service.
- 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.