CVE-2025-66719 describes a critical access control bypass vulnerability in Free5gc NRF version 1.4.0. An attacker can craft a specific targetNF value to bypass scope validation in the AccessTokenScopeCheck() function, allowing them to obtain an access token with arbitrary privileges. This vulnerability carries a CVSS score of 9.1 (CRITICAL) due to its network-based attack vector, low attack complexity, and high impact on confidentiality and integrity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.4.0CPE matchmatch criteria | cpe:2.3:a:free5gc:nrf:1.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.