# CVE-2025-59178: Ericsson Packet Core Controller information exposure in Configuration Management

Source: https://junglewise.ai/threats/cve-2025-59178-ericsson-packet-core-controller-information-exposure-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-27. Updated: 2026-07-27  
License: CC BY 4.0 with a link back

CVE-2025-59178 · Severity: info · CVSS 4.8 · Published 2026-07-27

The Ericsson Packet Core Controller, a critical component in mobile network infrastructure, contains a security flaw in its configuration management system. An attacker with high-level access can discover the identities of other users on the system. This information could be used to facilitate more targeted attacks or unauthorized monitoring of administrative activity.

Technologies: [Ericsson Packet Core Controller](https://junglewise.ai/threats/technologies/packet-core-controller). Vendors: [Ericsson](https://junglewise.ai/threats/vendors/ericsson).

## Quick answers

**Is CVE-2025-59178 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-59178 being exploited in the wild.

**How severe is CVE-2025-59178?** Informational severity, with a CVSS score of 4.8, published 27 July 2026.

**Which products and versions are affected?** Ericsson Packet Core Controller versions prior to 1.39.

**Is there a fix for CVE-2025-59178?** A patch was published on 1.39: Vulnerability fixed in version 1.39. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2025-59178 attacked?** It is attacked from the adjacent network, in a network appliance.

**Am I affected by CVE-2025-59178?** Check whether you run Ericsson Packet Core Controller at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An exposure of sensitive system information vulnerability (CWE-497) exists within the Configuration Management component of Ericsson Packet Core Controller (PCC). The flaw allows an authenticated attacker with high privileges (PR:H) to enumerate other system users. The attack vector is restricted to the adjacent network (AV:A), such as the local management network. This information disclosure can be leveraged for further reconnaissance or targeted credential attacks. The issue is resolved in PCC version 1.39.

## Affected products

- Ericsson Packet Core Controller (PCC) versions prior to 1.39

## Timeline

- 2026-07-27: advisory: NVD and Ericsson published the vulnerability details.
- 1.39: patched: Vulnerability fixed in version 1.39.

## References

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

## Related threats

- [Ericsson Packet Core Controller directory traversal in Configuration Management](https://junglewise.ai/threats/cve-2025-59181-ericsson-packet-core-controller-directory-traversal-in)
- [Ericsson Packet Core Controller hardcoded credentials in alarm system](https://junglewise.ai/threats/cve-2025-59180-ericsson-packet-core-controller-hardcoded-credentials-in-alarm)
- [Ericsson Packet Core Controller information disclosure in Configuration Management](https://junglewise.ai/threats/cve-2025-59177-ericsson-packet-core-controller-information-disclosure-in)
- [Ericsson Packet Core Controller OS command injection](https://junglewise.ai/threats/cve-2025-59172-ericsson-packet-core-controller-os-command-injection)
- [Ericsson Packet Core Controller denial of service via malformed messages](https://junglewise.ai/threats/cve-2025-59174-ericsson-packet-core-controller-denial-of-service-via-malformed)