# CVE-2025-3648 — ServiceNow Now Platform

> As of 2025-08-19, CVE-2025-3648 is a High-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in ServiceNow Now Platform, CVSS v4.0 8.2, EPSS 1.6% (74.1th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-3648, most recently “Snowpick: Open-Source Scanner Exposes Widespread Unauthenticated Data Leakage in ServiceNow Instances (CVE-2025-3648 "Count(er) Strike" Context)”.

**Last updated:** 2025-08-19

## What is CVE-2025-3648?

A vulnerability has been identified in the Now Platform that could result in data being inferred without authorization. Under certain conditional access control list (ACL) configurations, this vulnerability could enable unauthenticated and authenticated users to use range query requests to infer instance data that is not intended to be accessible to them. To assist customers in enhancing access controls, ServiceNow has introduced additional access control frameworks in Xanadu and Yokohama, such as Query ACLs, Security Data Filters and Deny-Unless ACLs. Additionally, in May 2025, ServiceNow delivered to customers a security update that is designed to enhance customer ACL configurations. Customers, please review the KB Articles in the References section.

The record classifies CVE-2025-3648 under weakness class [CWE-1220](https://cwe.mitre.org/data/definitions/1220.html). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 441 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 8.2 — High (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 1.6% probability of exploitation in the next 30 days, higher than 74.1% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-07-08, last modified 2025-08-19

## Is CVE-2025-3648 being exploited?

No public exploitation evidence for CVE-2025-3648 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2025-08-19. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

## Affected products and versions

- **ServiceNow**: Now Platform

## How to fix CVE-2025-3648

No vendor patch reference has been recorded for CVE-2025-3648 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2025-3648

1 tracked threat in the Threadlinqs corpus references CVE-2025-3648, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Snowpick: Open-Source Scanner Exposes Widespread Unauthenticated Data Leakage in ServiceNow Instances (CVE-2025-3648 "Count(er) Strike" Context)](https://intel.threadlinqs.com/threat/TL-2026-1604) — MEDIUM · 2026-07-22

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-22. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [support.servicenow.com — vendor advisory](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2139567)

**Issue tracking and product pages**

- [support.servicenow.com — permissions required](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2046494)
- [support.servicenow.com — permissions required (kb)](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2256712)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-3648
Full detection coverage and IOCs for threats exploiting CVE-2025-3648 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp