CVE-2023-28324

9.8 CRITICAL

📋 TL;DR

CVE-2023-28324 is an improper input validation vulnerability in Ivanti Endpoint Manager that could allow attackers to escalate privileges or execute arbitrary code. This affects Ivanti Endpoint Manager 2022 and earlier versions. Organizations using these vulnerable versions are at risk of compromise.

💻 Affected Systems

Products:
  • Ivanti Endpoint Manager
Versions: 2022 and earlier versions
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments of affected versions are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with administrative privileges, enabling lateral movement across the network and data exfiltration.

🟠

Likely Case

Privilege escalation leading to unauthorized access to sensitive systems and data within the endpoint management infrastructure.

🟢

If Mitigated

Limited impact with proper network segmentation and access controls, potentially only affecting isolated management components.

🌐 Internet-Facing: HIGH if Ivanti Endpoint Manager is exposed to the internet, as CVSS 9.8 indicates critical remote exploit potential.
🏢 Internal Only: HIGH due to the critical nature of the vulnerability and potential for internal attackers or compromised systems to exploit it.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

CVSS 9.8 suggests exploitation is relatively straightforward, though no public proof-of-concept has been confirmed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Ivanti Endpoint Manager 2022.2 and later

Vendor Advisory: https://forums.ivanti.com/s/article/SA-2023-06-06-CVE-2023-28324

Restart Required: Yes

Instructions:

1. Download the latest patch from Ivanti support portal. 2. Backup current configuration. 3. Apply the patch following Ivanti's installation guide. 4. Restart the Ivanti Endpoint Manager services.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate Ivanti Endpoint Manager from untrusted networks and restrict access to authorized IPs only.

Access Control Hardening

all

Implement strict authentication and authorization controls for Ivanti Endpoint Manager interfaces.

🧯 If You Can't Patch

  • Immediately isolate affected systems from production networks
  • Implement strict network access controls and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check Ivanti Endpoint Manager version in administration console or via 'ivanti-version' command on server.

Check Version:

On Windows: 'wmic product get name,version' | findstr Ivanti; On Linux: 'rpm -qa | grep ivanti' or 'dpkg -l | grep ivanti'

Verify Fix Applied:

Verify version is 2022.2 or later and check Ivanti advisory for specific patch verification steps.

📡 Detection & Monitoring

Log Indicators:

  • Unusual authentication attempts to Ivanti services
  • Unexpected process execution from Ivanti directories
  • Suspicious network connections from Ivanti servers

Network Indicators:

  • Anomalous traffic patterns to/from Ivanti Endpoint Manager ports
  • Unexpected outbound connections from management systems

SIEM Query:

source="ivanti*" AND (event_type="authentication_failure" OR process_execution="*powershell*" OR network_connection="*suspicious_ip*")

🔗 References

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