Threat actors exploited critical ServiceNow Now Platform vulnerabilities in a global reconnaissance campaign, with Imperva observing exploitation attempts against more than 6,000 sites across multiple industries, particularly financial services. CVE-2024-4879 and CVE-2024-5217, rated CVSS v4 9.3 and 9.2 respectively, enable unauthenticated remote code execution; CVE-2024-5178 allows administrative users to access sensitive server files without authorization. Imperva reported that the flaws could be chained to execute code and access instance data. Affected releases include Washington D.C., Vancouver, and Utah.
Resecurity observed mass scanning, vulnerability testing, retrieval of database configuration information, and extraction of user records containing password hashes. Targets included an energy corporation, a data-center organization, a Middle Eastern government agency, and a software development company. Imperva also identified automated attacks against login pages, with payloads testing code execution or attempting to reveal database credentials. ServiceNow released patches and hotfixes; organizations should verify remediation, review access logs for exploitation, and investigate possible credential exposure. Resecurity characterized its observed activity as limited and contained, but warned that exposed information could support further targeting.

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9 events from the most recent confirmed update back to the earliest known activity.
Resecurity characterized the malicious activity it identified during the exposure window as limited and reported that ServiceNow contained it in a timely manner.
Symantec, part of Broadcom, and other cybersecurity vendors added detection signatures for attempts to exploit the ServiceNow vulnerabilities.
During one week of monitoring beginning with the vulnerability release, Resecurity observed targeting of an energy corporation, a data-center organization, a Middle Eastern government agency, and a software development company. Observed exploitation stages attempted to read glide.db.properties for database connection details and queried sys_user to extract usernames, password values, and metadata; most collected passwords were hashed, and attackers failed to crack most hashes.
Imperva observed automated exploitation attempts against more than 6,000 sites across multiple industries, particularly financial services. Payloads targeted ServiceNow login pages to test remote code execution or attempt to display database usernames and passwords; the report did not establish that all targeted sites were compromised.
After vulnerability information became public, multiple threat actors began scanning for vulnerable ServiceNow instances. Resecurity acquired two scanning host lists and observed login-endpoint requests that injected a calculation and checked its result to test exploitability.
A proof of concept for CVE-2024-4879 became publicly available, which Resecurity identified as a catalyst for exploitation. Imperva reported that this was the only vulnerability in the three-flaw chain with an available proof of concept at the time of its report.
ServiceNow released fixes for the vulnerabilities, documented in knowledge-base articles KB1645154, KB1648313, and KB1648312.
ServiceNow disclosed three vulnerabilities affecting releases including Washington D.C., Vancouver, and Utah. Resecurity described CVE-2024-4879 and CVE-2024-5217 as unauthenticated remote code execution flaws and CVE-2024-5178 as allowing administrative users unauthorized access to sensitive server files.
Assetnote researchers discovered CVE-2024-4879, CVE-2024-5217, and CVE-2024-5178 affecting ServiceNow's Now Platform.
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