CVE-2025-59178 PUBLISHED

Exposure of Sensitive System Information to an Unauthorized Control Sphere Vulnerability

Assigner: ERIC
Reserved: 10.09.2025 Published: 27.07.2026 Updated: 27.07.2026

Ericsson Packet Core Controller (PCC) versions prior to 1.39 contain an Exposure of Sensitive System Information vulnerability in Configuration Management allowing an attacker to enumerate other users on the system.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Ericsson
Product	Packet Core Controller (PCC)
Versions	Default: unaffected affected from 0 to 1.39 (excl.)

Credits

Spark NZ finder
Radu Balaci and Meghna Patel from Bell Mobility (Canada) finder

References

https://www.ericsson.com/en/about-us/security/psirt/security-bulletin-pcc-july-2026

Problem Types

CWE-497 Exposure of sensitive system information to an unauthorized control sphere CWE