Actively exploited in the wild. This CVE is on the CISA Known Exploited Vulnerabilities list — treat remediation as urgent. Federal remediation due by 27 Dec 2024.
Privileged Remote AccessApplication · Beyondtrust

CVE-2024-12356

CRITICAL · 9.8 CVSS v3.1 Published 2024-12-17
Fix available
A fix is available. Upgrade to after 24.3.1 or later.
See remediation →
100/100
Remediation priority · Urgent
In the wild High EPSS Public exploit 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 critical vulnerability has been discovered in Privileged Remote Access (PRA) and Remote Support (RS) products which can allow an unauthenticated attacker to inject commands that are run as a site user.

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

Command injection vulnerability in BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) products allowing unauthenticated attackers to inject and execute arbitrary OS commands as a site user context.

MitigationApply vendor-provided security patch immediately; prior to patch deployment, implement network segmentation and restrict access to PRA/RS management interfaces from untrusted networks.

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
Privileged Remote AccessApplication
Affected:<= 24.3.1
Remote SupportApplication
Affected:<= 24.3.1

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 installed BeyondTrust product
    Check for presence of BeyondTrust Privileged Remote Access or Remote Support by reviewing installed software list, service names, or checking common installation paths such as C:\Program Files\BeyondTrust\ or /opt/beyondtrust/
    Affected if Either BeyondTrust PRA or RS is installed on the system
  2. Determine installed version
    Locate the version information in the product interface under Help > About, or check the installer/log files, or query the product's API endpoint if accessible
    Affected if The installed version is 24.3.1 or lower for either product
  3. Verify product interface is network accessible
    Check network configuration, firewall rules, or reverse proxy settings to determine if the PRA/RS web interface ports (default 443, 8443) are exposed to untrusted networks
    Affected if The management interface is reachable from networks other than trusted administration networks
  4. Check for unauthorized user accounts or sessions
    Review the BeyondTrust administrative console for unauthorized site users, unexpected sessions, or newly created accounts in the Users & Sessions dashboard
    Affected if Unknown users or sessions exist that were not created by legitimate administrators
  5. Inspect system for signs of command execution
    Review system logs, application logs, and network traffic logs for suspicious commands, unexpected scripts, or connections to unknown external IPs around the time frame of the vulnerability disclosure
    Affected if Evidence of unexpected command execution or unauthorized access attempts are found in logs

You are affected if BeyondTrust PRA or RS version 24.3.1 or lower is installed and its management interface is network-accessible to untrusted users.

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 a release after 24.3.1
Interim mitigation

Apply vendor-provided security patch immediately; prior to patch deployment, implement network segmentation and restrict access to PRA/RS management interfaces from untrusted networks.

Recommended fix Moderate confidence

Contact BeyondTrust for the specific fixed release (version > 24.3.1)

  1. 1. Identify all affected BeyondTrust Privileged Remote Access (PRA) and Remote Support (RS) installations in your environment.
  2. 2. Check the current version of each installation to confirm it is <= 24.3.1.
  3. 3. Contact BeyondTrust support or visit the official BeyondTrust security advisory page to obtain the specific patched version for your product.
  4. 4. Schedule a maintenance window for the upgrade following your organization's change management procedures.
  5. 5. Before upgrading, backup all configuration data and ensure you have a rollback plan.
  6. 6. Upgrade the affected installations to the fixed release (version > 24.3.1) as specified in the BeyondTrust security advisory.
  7. 7. After upgrading, verify the vulnerability is remediated by confirming the version number and optionally testing that unauthenticated command injection is no longer possible.
  8. 8. Document the remediation activities for audit purposes.
Caveat Review BeyondTrust release notes for the fixed version to check for any configuration or behavioral changes that may affect your deployment

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

Fix this in Privileged Remote Access Exploited in the wild — priority engagement
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing12.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,760
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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-2024-12356 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
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data