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TI-2024-03166 Aliases CVE-2024-3384GHSA-hwc4-2rmw-hcvq

PAN-OS: Firewall Denial of Service (DoS) via Malformed NTLM Packets

Priority LOW 35CWE-1286Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00885 59th percentileScored 2026-11-07
Fix Fixed PAN-OS (Palo Alto Networks): 8.1.24, 9.0.17, 9.1.15-h1 +5Cloud NGFW (Palo Alto Networks): All+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Palo Alto NetworksPAN-OS8.1.0 to before 8.1.24; 9.0.0 to before 9.0.17; 9.1.0 to before 9.1.15-h1; 10.0.0 to before 10.0.128.1.24, 9.0.17, 9.1.15-h1, 10.0.12, 10.1.0, 10.2.0, 11.0.0, 11.1.0Patch availableCNA
Palo Alto NetworksCloud NGFW—AllPatch availableCNA
Palo Alto NetworksPrisma Access—AllPatch availableCNA
  • PAN-OS VendorPalo Alto Networks Affected 8.1.0 to before 8.1.24; 9.0.0 to before 9.0.17; 9.1.0 to before 9.1.15-h1; 10.0.0 to before 10.0.12 Fixed in 8.1.24, 9.0.17, 9.1.15-h1, 10.0.12, 10.1.0, 10.2.0, 11.0.0, 11.1.0 Patch available CNA
  • Cloud NGFW VendorPalo Alto Networks Affected — Fixed in All Patch available CNA
  • Prisma Access VendorPalo Alto Networks Affected — Fixed in All Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*8.1.0 to before 8.1.24; 9.0.0 to before 9.0.17; 9.1.0 to before 9.1.15; 10.0.0 to before 10.0.12VulnerableCyberArk Software, a Palo Alto Networks Company
cpe:2.3:o:paloaltonetworks:pan-os:9.1.15:-:*:*:*:*:*:*9.1.15VulnerableCyberArk Software, a Palo Alto Networks Company

Remediation

  • Fix · CNA PAN-OS (Palo Alto Networks) Fixed in 8.1.24, 9.0.17, 9.1.15-h1, 10.0.12, 10.1.0, 10.2.0, 11.0.0, 11.1.0
  • Fix · CNA Cloud NGFW (Palo Alto Networks) Fixed in All
  • Fix · CNA Prisma Access (Palo Alto Networks) Fixed in All

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-3384
  2. 2026-10-03 Alias added: GHSA-hwc4-2rmw-hcvq

References

  • TI-2024-08782 Expedition: Unauthenticated OS Command Injection Vulnerability Leads to Firewall Credential Disclosure KEVCVSS 4.0CRITICAL 9.9
  • TI-2024-03172 PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtect KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01936 PAN-OS: Authentication Bypass in SAML Authentication KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-11675 Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-00239 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal KEVCVSS 4.0CRITICAL 9.3
  • TI-2024-08784 Expedition: SQL Injection Leads to Firewall Admin Credential Disclosure KEVCVSS 4.0CRITICAL 9.2
See all 367 →

Sources