Pan OsOperating system · Paloaltonetworks

CVE-2024-3382

HIGH · 7.5 CVSS v3.1 Published 2024-04-10
Fix available
A fix is available. Upgrade to 10.2.7 / 11.0.4 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges 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 memory leak exists in Palo Alto Networks PAN-OS software that enables an attacker to send a burst of crafted packets through the firewall that eventually prevents the firewall from processing traffic. This issue applies only to PA-5400 Series devices that are running PAN-OS software with the SSL Forward Proxy feature enabled.

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 · high confidence

A memory leak vulnerability in PAN-OS on PA-5400 Series devices allows remote attackers to send crafted packets through the firewall. When SSL Forward Proxy is enabled, these packets trigger a memory leak that eventually exhausts resources and prevents the firewall from processing legitimate traffic, causing denial of service.

MitigationIf SSL Forward Proxy is not required on PA-5400 Series devices, disable it as a temporary workaround. Otherwise, apply the vendor-supplied PAN-OS patch or upgrade to a fixed version once available.

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:>= 10.2.0, < 10.2.7>= 11.0.0, < 11.0.4>= 11.1.0, < 11.1.2= 10.2.7

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
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

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. Identify device model
    Access the firewall CLI and run 'show system info' or check the web interface Dashboard to confirm the device model is PA-5400 Series.
    Affected if Device is not a PA-5400 Series device (other models are not affected by this specific CVE)
  2. Check PAN-OS version
    Run 'show system info' in the CLI or view the Dashboard in the web interface to find the installed PAN-OS version number.
    Affected if The installed version falls within these ranges: 10.2.0 through 10.2.7, 11.0.0 through 11.0.4, or 11.1.0 through 11.1.2
  3. Verify SSL Forward Proxy status
    In the PAN-OS web interface, go to Network > SSL Forward Proxy, or run 'show ssl-proxy statistics' in the CLI to confirm whether SSL Forward Proxy is enabled.
    Affected if SSL Forward Proxy is currently enabled (the vulnerability only triggers when this feature is on)
  4. Monitor resource utilization
    Run 'show system resources' or check the Dashboard for memory usage trends over time. Look for steadily increasing memory consumption.
    Affected if Memory usage is abnormally high or continuously growing, indicating the leak may be present

A PA-5400 Series device running an affected PAN-OS version (10.2.0-10.2.7, 11.0.0-11.0.4, or 11.1.0-11.1.2) with SSL Forward Proxy enabled is vulnerable to this memory leak issue.

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 10.2.7 / 11.0.4 / 11.1.2 or later
Fixed in 10.2.711.0.411.1.2
Interim mitigation

If SSL Forward Proxy is not required on PA-5400 Series devices, disable it as a temporary workaround. Otherwise, apply the vendor-supplied PAN-OS patch or upgrade to a fixed version once available.

Recommended fix High confidence

PAN-OS 10.2.8 (or later 10.2.x), 11.0.5 (or later 11.0.x), or 11.1.3 (or later 11.1.x) depending on your branch; choose nearest fixed version in your current branch

  1. 1. Identify your current PAN-OS version by navigating to Device > Support in the web interface or using 'show system info' in CLI
  2. 2. Determine if your device is a PA-5400 Series appliance: check the model number on the device physical label or via 'show system info' output
  3. 3. Verify if SSL Forward Proxy is enabled: go to Device > SSL Forward Proxy (or Network > SSL Forward Proxy depending on version)
  4. 4. If you are on a PA-5400 Series with SSL Forward Proxy enabled and affected version, plan for upgrade
  5. 5. Download the appropriate PAN-OS upgrade from Palo Alto Networks support portal (requires valid support contract)
  6. 6. Before upgrading, backup your configuration via Device > Setup > Operations > Save named configuration snapshot
  7. 7. Upload the new PAN-OS image via Device > Software > Upload
  8. 8. Install the upgrade and reboot the firewall
Caveat Review Palo Alto Networks PAN-OS Upgrade Guide for potential compatibility issues with your third-party integrations and ensure your support contract is active for software downloads

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

Fix this in Pan Os Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing4.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,080
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Scan for this in your stack

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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-2024-3382 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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  • No spam, self-promotion, credentials, or personal data