CVE-2025-59181 Ericsson CVE debrief

Who should care

Administrators and security teams responsible for Ericsson Packet Core Controller systems should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes reviewing system configurations, applying vendor-provided patches or updates, and monitoring system logs for suspicious activity.

Technical summary

CVE-2025-59181 is a directory traversal vulnerability in the Configuration Management of Ericsson Packet Core Controller (PCC) versions prior to 1.39. This vulnerability could allow an attacker to change directory permissions, potentially denying access to legitimate users. The vulnerability has a CVSS score of 4.8 and is classified as MEDIUM severity.

Defensive priority

Medium priority due to CVSS score of 4.8 and potential impact on system availability.

Recommended defensive actions

• Inventory and verify PCC system versions
• Apply vendor-provided patches or updates
• Monitor system logs for suspicious activity
• Implement compensating controls to restrict access
• Review system configurations for potential exposure

Evidence notes

Evidence is limited; further verification is needed to confirm affected scope and vendor remediation status. The CVE record was published on 2026-07-27T15:16:46.300Z and has not been modified since then. Additional review of vendor documentation and security bulletins is required to assess the full impact of this vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.