CVE-2025-0282

9.0 CRITICAL CISA KEV

📋 TL;DR

A stack-based buffer overflow vulnerability in Ivanti Connect Secure, Policy Secure, and Neurons for ZTA gateways allows remote unauthenticated attackers to execute arbitrary code. This affects organizations using these Ivanti VPN and secure access gateway products. Successful exploitation could lead to complete system compromise.

💻 Affected Systems

Products:
  • Ivanti Connect Secure
  • Ivanti Policy Secure
  • Ivanti Neurons for ZTA gateways
Versions: All versions before Connect Secure 22.7R2.5, Policy Secure 22.7R1.2, and Neurons for ZTA gateways 22.7R2.3
Operating Systems: Appliance-based (Linux underlying OS)
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations are vulnerable. No special configuration required for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system takeover, lateral movement through network, data exfiltration, and persistent backdoor installation.

🟠

Likely Case

Remote code execution leading to credential theft, network reconnaissance, and deployment of ransomware or other malware.

🟢

If Mitigated

Limited impact with proper network segmentation, but still potential for initial foothold in perimeter systems.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: CONFIRMED
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Multiple public proof-of-concept exploits available. Actively exploited in the wild with minimal technical barriers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Connect Secure 22.7R2.5, Policy Secure 22.7R1.2, Neurons for ZTA gateways 22.7R2.3

Vendor Advisory: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283

Restart Required: Yes

Instructions:

1. Download latest firmware from Ivanti support portal. 2. Backup current configuration. 3. Apply firmware update via admin interface. 4. Reboot appliance. 5. Verify successful update.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate Ivanti appliances from critical internal networks using firewall rules.

External Access Restriction

all

Limit external access to Ivanti appliances to specific IP ranges if possible.

🧯 If You Can't Patch

  • Immediately isolate affected systems from internet and critical networks
  • Implement strict network monitoring and anomaly detection for these systems

🔍 How to Verify

Check if Vulnerable:

Check current firmware version in Ivanti admin interface against affected versions list.

Check Version:

Login to admin interface and navigate to System > Maintenance > Version Information

Verify Fix Applied:

Verify firmware version shows patched version in admin interface and check for successful update completion.

📡 Detection & Monitoring

Log Indicators:

  • Unusual process execution, unexpected network connections from Ivanti appliance, authentication anomalies

Network Indicators:

  • Unusual outbound connections from Ivanti appliance, unexpected protocol traffic patterns

SIEM Query:

source="ivanti_appliance" AND (event_type="process_execution" OR event_type="network_connection") AND NOT user IN ["normal_users"]

🔗 References

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