CVE-2024-3384
PAN-OS: Firewall Denial of Service (DoS) via Malformed NTLM Packets
- Published
- Updated
- Reserved
- Assigned by
- palo_alto
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| palo_altoCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.89% · top 41% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected 8.1.0 – < 8.1.24
- affected 9.0.0 – < 9.0.17
- affected 9.1.0 – < 9.1.15-h1
- affected 10.0.0 – < 10.0.12
- unaffected 10.1.0
- unaffected 10.2.0
- unaffected 11.0.0
- unaffected 11.1.0
Palo Alto Networks · Cloud NGFW
- unaffected All
Palo Alto Networks · Prisma Access
- unaffected All
What to do
Solution: This issue is fixed in PAN-OS 8.1.24, PAN-OS 9.0.17, PAN-OS 9.1.15-h1, PAN-OS 10.0.12, and all later PAN-OS versions.
Exploitation: Palo Alto Networks is not aware of any malicious exploitation of this issue.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-3384)Record last updated .