CVE-2024-3384 PAN-OS: Firewall Denial of Service (DoS) via Malformed NTLM Packets
Remote attackers can cause Palo Alto Networks firewalls to reboot and enter maintenance mode by sending malformed NTLM packets, requiring manual intervention to restore service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-3384?
CVE-2024-3384 is a high-severity denial of service vulnerability in Paloaltonetworks Pan-Os, published on 10 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in Palo Alto Networks PAN-OS software enables a remote attacker to reboot PAN-OS firewalls when receiving Windows New Technology LAN Manager (NTLM) packets from Windows servers. Repeated attacks eventually cause the firewall to enter maintenance mode, which requires manual intervention to bring the firewall back online.
Weakness: CWE-1286
Which versions are affected by CVE-2024-3384?
It affects 1 product.
Products include Paloaltonetworks Pan-Os.
How do I fix CVE-2024-3384?
No fix has been published for CVE-2024-3384 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-3384 being exploited?
There is no known exploitation of CVE-2024-3384 in the wild and no public exploit code.
Other vulnerabilities in Paloaltonetworks Pan-Os
- CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection
- CVE-2020-2021 Palo Alto Networks PAN-OS Authentication Bypass
- CVE-2017-15944 Palo Alto Networks PAN-OS Remote Code Execution
- CVE-2026-0300 Palo Alto Networks PAN-OS Out-of-bounds Write
- CVE-2024-0012 Palo Alto Networks PAN-OS Management Interface Authentication Bypass
Sources
Also known as GHSA-hwc4-2rmw-hcvq.