CVE-2024-50321: An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial o

Q: How do I fix CVE-2024-50321?

avalanche: upgrade to 6.4.6. Exact commands for each OS are on this page.

Q: Is CVE-2024-50321 being exploited?

CVE-2024-50321 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-50321 affect?

CVE-2024-50321 affects avalanche. Severity is high (CVSS 7.5). An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial of service.

Q: How urgent is CVE-2024-50321?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2024-50321 is a high-severity flaw (CVSS 7.5) affecting avalanche. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial of service.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-835
Published	2024-11-12
Last modified	2026-06-17

Publisher (CNA): ivanti · Vendor: ivanti

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-12 16:15 UTCPublished CVE record published
2026-06-17 08:04 UTCUpdated Record last modified

ivanti avalanche UPGRADE

Affected: < 6.4.6

Fixed in: 6.4.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy avalanche || rpm -q avalanche || avalanche --version

2. UPGRADE to 6.4.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade avalanche

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade avalanche

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-50321?

avalanche: upgrade to 6.4.6. Exact commands for each OS are on this page.

Is CVE-2024-50321 being exploited?

CVE-2024-50321 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-50321 affect?

CVE-2024-50321 affects avalanche. Severity is high (CVSS 7.5). An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial of service.

How urgent is CVE-2024-50321?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Software pages

Ivanti vulnerabilities

Related CVEs

CVE-2025-8297 HIGH 7.2 UPGRADE Incomplete restriction of configuration in Ivanti Avalanche before version 6.4.8.8008 allows a remote authenti
CVE-2025-8296 HIGH 7.2 UPGRADE SQL injection in Ivanti Avalanche before version 6.4.8.8008 allows a remote authenticated attacker with admin
CVE-2024-50331 HIGH 7.5 UPGRADE An out-of-bounds read vulnerability in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker
CVE-2024-50320 HIGH 7.5 UPGRADE An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial o
CVE-2024-50319 HIGH 7.5 UPGRADE An infinite loop in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to cause a denial o

References

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