CVE-2024-4879 Overview
ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. ServiceNow applied an update to hosted instances, and ServiceNow released the update to their partners and self-hosted customers. Listed below are the patches and hot fixes that address the vulnerability. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.
Critical Impact
This vulnerability allows unauthenticated remote code execution, significantly compromising the integrity and confidentiality of the affected systems.
Affected Products
- ServiceNow Vancouver releases
- ServiceNow Washington DC releases
- ServiceNow Utah releases
Discovery Timeline
- Not Available - Vulnerability discovered by Not Available
- Not Available - Responsible disclosure to ServiceNow
- Not Available - CVE CVE-2024-4879 assigned
- Not Available - ServiceNow releases security patch
- 2024-07-10 - CVE CVE-2024-4879 published to NVD
- 2025-11-03 - Last updated in NVD database
Technical Details for CVE-2024-4879
Vulnerability Analysis
The CVE-2024-4879 vulnerability arises due to insufficient input validation in ServiceNow's Now Platform. An attacker can leverage this flaw to submit specially crafted input that triggers remote code execution, thereby gaining unauthorized access to execute arbitrary code on the affected system.
Root Cause
The root cause of this vulnerability is improper input validation within critical functions of the ServiceNow platform, which fails to adequately sanitize user inputs, allowing execution of malicious payloads.
Attack Vector
This vulnerability can be exploited remotely via a network attack vector, enabling attackers to send malicious requests to exposed ServiceNow instances.
# Example exploitation code (sanitized)
import requests
url = "http://vulnerable-instance.servicenow.com"
payload = {'param': 'malicious_code()'}
response = requests.post(url, data=payload)
print(response.status_code)
Detection Methods for CVE-2024-4879
Indicators of Compromise
- Unexpected server behavior
- Unauthorized remote access logs
- Anomalies in application logs
Detection Strategies
Implement network monitoring to detect unusual traffic patterns and lookout for HTTP requests containing suspicious payloads indicative of exploitation attempts. Intrusion detection systems should be configured to identify and alert on signatures associated with this vulnerability.
Monitoring Recommendations
Regularly review application and access logs for anomalies and implement runtime application self-protection (RASP) solutions to detect and block real-time attacks at runtime.
How to Mitigate CVE-2024-4879
Immediate Actions Required
- Apply the latest security patches from ServiceNow
- Implement network-level access controls to limit exposure
- Employ application whitelisting to minimize unauthorized code execution
Patch Information
Patches and hot fixes addressing this vulnerability have been released for affected ServiceNow instances. Users should apply these updates immediately by referring to official ServiceNow advisories.
Workarounds
Administrators may restrict network access to ServiceNow instances and configure web application firewalls (WAFs) to block known attack patterns while waiting for patch deployment.
# Configuration example
iptables -A INPUT -s <malicious_source> -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
