AUGUST 4, 2026
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Case File

CVE-2025-48219

LOW · CVSS 3.5 EPSS 0.28%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-05-18 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.5. See the original NVD description below for full technical details.

CVE
CVE-2025-48219
Severity
LOW
CVSS
3.5
EPSS
0.28%

Original NVD Description

O2 UK before 2025-05-19 allows subscribers to determine the Cell ID of other subscribers by initiating an IMS (IP Multimedia Subsystem) call and then reading the utran-cell-id-3gpp field of a Cellular-Network-Info SIP header, aka an ECI (E-UTRAN Cell Identity) leak. The Cell ID might be usable to identify a cell location via crowdsourced data, and might correspond to a small physical area (e.g., if the called party is in a city centre). Removal of the Cellular-Network-Info header is mentioned in section 4.4.19 of ETSI TS 124 229.