Ivanti Cloud Services Appliance (CSA) OS Command Injection and Remote Code Execution Vulnerability (CVE-2024-8190) Security Advisory
Executive & SecOps Summary
SECOPS ASSESSMENTIvanti Cloud Services Appliance (CSA) versions 4.6 Patch 518 and prior
A remote authenticated attacker with admin-level privileges can inject arbitrary OS commands, leading to remote code execution and full system compromise
Immediately upgrade to the supported Ivanti CSA 5.0 version or apply the latest security patches to mitigate active exploitation risks
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Since Ivanti CSA 4.6 is End-of-Life (EOL), migrating to CSA 5.0 is highly recommended. To apply the temporary patch on CSA 4.6, navigate to the admin console or execute the update utility via CLI:
# Access the CSA CLI and run the update utility to apply the latest security patches
/usr/bin/csa-update-check --apply-all2. Temporary Workaround & Hardening Configuration
If patching cannot be performed immediately, restrict access to the CSA administrative interface (port 443) by implementing strict firewall rules to allow access only from trusted administrative IP addresses or internal management networks.
# Example: Restrict access to port 443 to a trusted admin IP (e.g., 192.168.10.50) using iptables
iptables -A INPUT -p tcp -s 192.168.10.50 --dport 443 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP3. Log Audit & IoC Verification Commands
Inspect the web server access logs and system logs for indicators of compromise (IoCs) such as unusual command execution patterns or suspicious POST requests.
# Search Apache access logs for common command injection payloads and reconnaissance commands
grep -Ei 'id|whoami|curl|wget|sh|bash' /var/log/httpd/access_log
# Check system logs for unauthorized shell executions initiated by the web server process
journalctl -u httpd --since '30 days ago' | grep -E 'sh|bash'Stop Exposing VPN Ports to the Internet — Switch to Zero-Trust Access
Eliminate public-facing VPN concentrators and firewall management ports with identity-first Zero-Trust Network Access.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2024-8190) is an OS command injection flaw (CWE-78) residing within the administrative web interface of Ivanti Cloud Services Appliance (CSA). Due to insufficient input validation and sanitization of user-supplied parameters, the application fails to properly escape shell metacharacters before passing them to system-level execution APIs.
2. Exploitation Mechanics & Attack Scenario
To exploit this vulnerability, an attacker must first obtain valid administrative credentials to access the CSA management console. Once authenticated, the attacker can craft a malicious HTTP request targeting specific administrative endpoints (such as network configuration or diagnostic utilities) containing shell metacharacters (e.g., ;, |, or &) followed by arbitrary commands. The backend application executes these commands with the privileges of the web server user (typically nobody or apache), allowing the attacker to establish a reverse shell or download secondary payloads.
3. Infrastructure & Business Impact
Because Ivanti CSA serves as a gateway bridging external internet traffic to internal corporate networks, a compromise of this appliance provides attackers with a strategic foothold for lateral movement. This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, with an EPSS score of 0.8853, indicating an extremely high probability of exploitation. Successful exploitation can lead to complete infrastructure compromise, data exfiltration, and deployment of ransomware.
Official Vendor Advisories & References
An OS command injection vulnerability in Ivanti Cloud Services Appliance versions 4.6 Patch 518 and before allows a remote authenticated attacker to obtain remote code execution. The attacker must have admin level privileges to exploit this vulnerability.
Frequently Asked SecOps Questions (CVE-2024-8190)
FAQQ1. How critical is CVE-2024-8190 and is it actively exploited in the wild?
CVE-2024-8190 is rated CVSS 7.2 (HIGH) with a 30-day EPSS exploitation probability of 88.5%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2024-8190?
Primary impacted vendors include ivanti across cloud services appliance. Scope summary: Ivanti Cloud Services Appliance (CSA) versions 4.6 Patch 518 and earlier (Note: CSA 4.6 has reached End-of-Life status)
Q3. What temporary mitigations or workarounds exist for CVE-2024-8190 before patching?
[Mitigation] Immediately upgrade to the supported Ivanti CSA 5.0 version or apply the latest security patches to mitigate active exploitation risks Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
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