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Pan OsOperating system · Paloaltonetworks

CVE-2024-3388

MEDIUM · 5.0 CVSS v3.1 Published 2024-04-10
Fix available
A fix is available. Upgrade to 8.1.26 / 9.0.17 or later.
See remediation →
56/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability in the GlobalProtect Gateway in Palo Alto Networks PAN-OS software enables an authenticated attacker to impersonate another user and send network packets to internal assets. However, this vulnerability does not allow the attacker to receive response packets from those internal assets.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

A vulnerability in the GlobalProtect Gateway VPN component of Palo Alto Networks PAN-OS allows an authenticated attacker to impersonate other users and send network packets to internal assets. The attacker cannot receive response packets, limiting the impact to one-way packet injection rather than full bidirectional communication.

MitigationApply the relevant PAN-OS update from Palo Alto Networks for this vulnerability. Additionally, review GlobalProtect authentication configurations and implement network segmentation to limit lateral movement from compromised VPN sessions.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Pan OsOperating system
Affected:>= 8.1.0, < 8.1.26>= 9.0.0, < 9.0.17>= 9.1.0, < 9.1.17>= 10.1.0, < 10.1.11>= 10.2.0, < 10.2.7>= 11.0.0, < 11.0.3= 9.0.17= 10.1.11= 10.2.7
Prisma AccessApplication
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Check PAN-OS version
    Run 'show system info' or access the device dashboard to view the PAN-OS version installed
    Affected if The version falls within 8.1.0 to 8.1.26, 9.0.0 to 9.0.17, 9.1.0 to 9.1.17, 10.1.0 to 10.1.11, 10.2.0 to 10.2.7, or 11.0.0 to 11.0.3, or matches exactly 9.0.17, 10.1.11, or 10.2.7
  2. Identify if using Prisma Access
    Confirm whether the environment is Palo Alto Networks Prisma Access rather than on-premises PAN-OS
    Affected if The environment is Prisma Access (all versions are affected)
  3. Verify GlobalProtect Gateway is enabled
    Check the GlobalProtect configuration: go to Network > GlobalProtect > Gateways and confirm if any Gateway is configured and enabled
    Affected if GlobalProtect Gateway is active and accepts VPN connections, allowing the authenticated attacker to send packets
  4. Confirm authentication method for GlobalProtect
    Review GlobalProtect authentication settings under Network > GlobalProtect > Gateways to see what user authentication is in use
    Affected if User authentication is configured, as the attacker needs valid authentication to exploit this flaw

You are affected if your PAN-OS version is within the vulnerable ranges or you use Prisma Access, AND GlobalProtect Gateway is enabled and configured with user authentication.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 8.1.26 / 9.0.17 / 9.1.17 or later
Fixed in 8.1.269.0.179.1.17
Interim mitigation

Apply the relevant PAN-OS update from Palo Alto Networks for this vulnerability. Additionally, review GlobalProtect authentication configurations and implement network segmentation to limit lateral movement from compromised VPN sessions.

Recommended fix High confidence

PAN-OS 8.1.26 / 9.0.17 / 9.1.17 / 10.1.11 or later (select based on your current version branch); contact Palo Alto Networks for Prisma Access fixes

  1. Identify the current PAN-OS version by navigating to Dashboard > General Info in the web interface or running 'show system info' in CLI
  2. Determine which version branch you are currently on (8.1.x, 9.0.x, 9.1.x, or 10.1.x)
  3. Download the appropriate fixed version from the Palo Alto Networks support portal: for 8.1.x upgrade to 8.1.26+, for 9.0.x upgrade to 9.0.17+, for 9.1.x upgrade to 9.1.17+, for 10.1.x upgrade to 10.1.11+
  4. Upload the upgrade image via Device > Software > Upload in the web interface
  5. Schedule a maintenance window as upgrades require a reboot
  6. Install the upgrade and confirm successful completion
  7. For Prisma Access customers, contact Palo Alto Networks support for patch availability as no specific version is listed
Caveat Review PAN-OS upgrade guide for potential configuration changes between versions; test in lab before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Pan Os Scoped from the published advisory
  • Consultation4.0 h
  • Implementation6.0 h
  • Testing8.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,800
Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-3388 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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