CVE-2024-42340

8.3 HIGH

📋 TL;DR

This vulnerability in CyberArk products involves client-side enforcement of server-side security (CWE-602), allowing attackers to bypass intended security controls by manipulating client-side behavior. It affects CyberArk Privileged Access Manager and related security products, potentially enabling unauthorized access to privileged accounts and sensitive systems.

💻 Affected Systems

Products:
  • CyberArk Privileged Access Manager
  • CyberArk Privileged Session Manager
  • CyberArk Central Policy Manager
Versions: Specific versions not detailed in advisory; consult CyberArk security bulletin for exact affected versions
Operating Systems: Windows Server, Linux distributions supported by CyberArk
Default Config Vulnerable: ⚠️ Yes
Notes: Affects default installations of CyberArk PAM solutions; exact configuration requirements for exploitation not specified in public advisory

📦 What is this software?

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of privileged access management system leading to lateral movement across enterprise networks, credential theft, and administrative control over critical infrastructure.

🟠

Likely Case

Unauthorized access to specific privileged accounts, privilege escalation within the CyberArk ecosystem, and potential data exfiltration from secured vaults.

🟢

If Mitigated

Limited impact with proper network segmentation, strong authentication controls, and monitoring in place, though some privilege escalation may still occur.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires some level of access to the CyberArk environment; client-side manipulation techniques needed

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Consult CyberArk security advisory for specific patched versions

Vendor Advisory: https://www.cyberark.com/resources/threat-research-blog

Restart Required: Yes

Instructions:

1. Review CyberArk security advisory for affected versions 2. Apply latest security patches from CyberArk support portal 3. Restart CyberArk services after patch application 4. Verify patch installation through version checks

🔧 Temporary Workarounds

Network Segmentation

all

Isolate CyberArk management interfaces from untrusted networks and limit access to authorized administrative systems only

Enhanced Monitoring

all

Implement strict logging and alerting for unusual client-side activities and privilege escalation attempts within CyberArk

🧯 If You Can't Patch

  • Implement strict network access controls to limit which systems can communicate with CyberArk management interfaces
  • Enable detailed audit logging for all privileged access activities and review regularly for anomalies

🔍 How to Verify

Check if Vulnerable:

Check CyberArk component versions against the security advisory; examine configuration for client-side security controls that might be bypassable

Check Version:

Check version through CyberArk management interface or consult component-specific documentation

Verify Fix Applied:

Verify patch installation through CyberArk management console version checks and test security controls that were previously vulnerable

📡 Detection & Monitoring

Log Indicators:

  • Unusual client-side authentication patterns
  • Privilege escalation attempts within CyberArk logs
  • Unexpected access to privileged accounts

Network Indicators:

  • Anomalous traffic patterns to CyberArk management interfaces
  • Unauthorized systems attempting to communicate with CyberArk components

SIEM Query:

source="cyberark*" AND (event_type="privilege_escalation" OR authentication_failure_count>threshold)

🔗 References

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