Stack-based Buffer OverflowWeakness · CWE-121

CVE-2024-33511

CRITICAL · 9.8 CVSS v3.1 Published 2024-05-01
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
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
There is a buffer overflow vulnerability in the underlying Automatic Reporting service that could lead to unauthenticated remote code execution by sending specially crafted packets destined to the PAPI (Aruba's access point management protocol) UDP port (8211). Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.

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 buffer overflow vulnerability exists in the Automatic Reporting service of Aruba devices. By sending specially crafted packets to the PAPI UDP port (8211), an unauthenticated attacker can achieve remote code execution with elevated (privileged) system privileges.

MitigationApply vendor-provided patches immediately. As an interim control, restrict network access to UDP port 8211 to prevent unauthenticated attackers from reaching the vulnerable service.

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

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
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 the device vendor and model
    Run 'show version' or access the device management interface to confirm the device is an Aruba product (ArubaOS, Aruba Instant, or Mobility Conductor)
    Affected if The device is NOT an Aruba product - this CVE only affects Aruba devices
  2. Check the installed firmware version
    Run 'show version' and locate the firmware version string (for example, ArubaOS 8.x.x.x or 10.x.x.x). Compare it to the version ranges provided by Aruba's security advisory for CVE-2024-33511
    Affected if The installed version falls within the vulnerable version ranges listed in the Aruba security advisory
  3. Verify UDP port 8211 is listening
    Run 'show ip http-server' or 'show service' to confirm the PAPI (Protocol for Aruba Probe Infrastructure) service is enabled. Alternatively, run 'netstat -an | grep 8211' or 'show datapath tcp port' on the device
    Affected if UDP port 8211 is open and listening - this is the attack vector
  4. Confirm Automatic Reporting service is enabled
    Run 'show aruba-central' or 'show automatic-reporting status' to check if the Automatic Reporting feature is configured and active
    Affected if Automatic Reporting is enabled - this is the vulnerable service component
  5. Check network accessibility of port 8211
    From an external host, run 'nc -zvu <device-ip> 8211' or 'nmap -sU -p 8211 <device-ip>' to test if UDP port 8211 is reachable from untrusted networks
    Affected if UDP port 8211 is reachable from untrusted or management networks - an attacker could send malicious packets

The environment is affected if it is an Aruba device running a firmware version within the vulnerable range, with UDP port 8211 (PAPI service) accessible and the Automatic Reporting feature enabled.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-provided patches immediately. As an interim control, restrict network access to UDP port 8211 to prevent unauthenticated attackers from reaching the vulnerable service.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
20.0 hours of engineering $3,500
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Scan for this in your stack

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dbcve dependency scanner

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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-2024-33511 in production — separate from our analysis above.

No notes yet

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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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