# CVE-2025-1501 — Nozomi Networks CMC

> As of 2025-08-26, CVE-2025-1501 is a MEDIUM-severity vulnerability in Nozomi Networks CMC, CVSS v3.1 4.3, EPSS 0.2% (10.4th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-1501, most recently “Multiple Vulnerabilities in Nozomi Guardian/CMC Before 25.4.0 on Siemens RUGGEDCOM APE1808 Devices (CVE-2024-13089, CVE-2024-13090, CVE-2025-3719, CVE-2025-40889, et al.)”.

**Last updated:** 2025-08-26

## What is CVE-2025-1501?

An access control vulnerability was discovered in the Request Trace and Download Trace functionalities of CMC before 25.1.0 due to a specific access restriction not being properly enforced for users with limited privileges. An authenticated user with limited privileges can request and download trace files due to improper access restrictions, potentially exposing unauthorized network data.

The record classifies CVE-2025-1501 under weakness class [CWE-863](https://intel.threadlinqs.com/cwe/CWE-863). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 410 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 10.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-08-26

## Is CVE-2025-1501 being exploited?

It currently carries a trending score of 8 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Nozomi Networks](https://intel.threadlinqs.com/vendors/nozomi-networks): CMC

## How to fix CVE-2025-1501

No vendor patch reference has been recorded for CVE-2025-1501 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-2025-1501

1 tracked threat in the Threadlinqs corpus references CVE-2025-1501, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Multiple Vulnerabilities in Nozomi Guardian/CMC Before 25.4.0 on Siemens RUGGEDCOM APE1808 Devices (CVE-2024-13089, CVE-2024-13090, CVE-2025-3719, CVE-2025-40889, et al.)](https://intel.threadlinqs.com/threat/TL-2026-2487) — HIGH · 2026-09-13

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [security.nozominetworks.com](https://security.nozominetworks.com/NN-2025:3-01)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-1501
Full detection coverage and IOCs for threats exploiting CVE-2025-1501 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp