CVE-2024-24991 Null dereference in Avalanche

What is CVE-2024-24991?

CVE-2024-24991 is a medium-severity vulnerability in Ivanti Avalanche, published on 19 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A Null Pointer Dereference vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows an authenticated remote attacker to perform denial of service attacks.

Weakness: CWE-476

Which versions are affected by CVE-2024-24991?

It affects 1 product.

Products include Ivanti Avalanche.

How do I fix CVE-2024-24991?

No fix has been published for CVE-2024-24991 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-24991 being exploited?

There is no known exploitation of CVE-2024-24991 in the wild and no public exploit code.

Other vulnerabilities in Ivanti Avalanche

• CVE-2023-38036 Memory corruption in Avalanche Critical 9.8
• CVE-2024-24996 Memory corruption in Avalanche Critical 9.8
• CVE-2024-29204 Memory corruption in Avalanche Critical 9.8
• CVE-2023-41727 Memory corruption in Wavelink Critical 9.8
• CVE-2023-46216 Memory corruption in Wavelink Critical 9.8

All Ivanti Avalanche vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-23c8-gv7j-76hv.