Cyber Resilience

CVE-2024-50319

HighDDoS

Published: 12 November 2024

Published
12 November 2024
Modified
18 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0783 92.2th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-50319 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 7.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

An infinite loop vulnerability tracked as CVE-2024-50319 affects Ivanti Avalanche versions prior to 6.4.6. The flaw, assigned CWE-835, resides in a network-accessible component and carries a CVSS 3.1 base score of 7.5 reflecting high availability impact with no requirements for authentication or user interaction.

A remote unauthenticated attacker can send crafted requests over the network to trigger the infinite loop, resulting in denial of service that renders the application unavailable while leaving confidentiality and integrity unaffected.

The vendor advisory at the referenced Ivanti forum URL addresses this issue among multiple CVEs disclosed in the Q4 2024 release and directs customers to upgrade to Avalanche 6.4.6 to eliminate the loop condition. The associated EPSS score has remained flat at 0.0783 with no observed increase since publication.

EU & UK References

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

ivanti
avalanche
≤ 6.4.6

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.

addresses: CWE-835

Enables transfer to alternate site if an infinite loop at the primary renders processing unavailable.

addresses: CWE-835

Detects and mitigates infinite loops that produce sustained resource consumption.

References