PatchSiren cyber security CVE debrief
CVE-2025-59172 Ericsson CVE debrief
Ericsson Packet Core Controller (PCC) versions prior to 1.38 contain an Improper Neutralization of Special Elements vulnerability, allowing an attacker to execute arbitrary code as root. This high-severity issue requires immediate attention from administrators and security teams. The vulnerability's impact includes potential for arbitrary code execution as root, necessitating prompt assessment and patching prioritization. Verification of PCC version and system configurations is crucial to prevent exploitation. Monitoring system logs for suspicious activity can help detect potential attacks. Remediation efforts should focus on updating PCC to version 1.38 or later.
- Vendor
- Ericsson
- Product
- Packet Core Controller (PCC)
- CVSS
- HIGH 8.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-27
- Original CVE updated
- 2026-09-29
- Advisory published
- 2026-07-27
- Advisory updated
- 2026-09-29
Who should care
Administrators and security teams responsible for Ericsson PCC systems should assess exposure and prioritize patching. This includes verifying PCC version and system configurations to prevent exploitation, monitoring system logs for suspicious activity, and planning vendor-supported updates or mitigations through normal change control where exposure is confirmed. Reviewing compensating controls for exposed systems is
Why it matters
CVE-2025-59172 is a high-severity vulnerability in Ericsson Packet Core Controller that allows arbitrary code execution as root. PCC administrators and security teams should assess exposure, prioritize patching, and monitor system logs.
- Potential for arbitrary code execution as root requires immediate attention and patching prioritization.
- Verification of PCC version and system configurations is necessary to prevent exploitation.
- Monitoring system logs for suspicious activity can help detect potential attacks.
- Remediation efforts should focus on updating PCC to version 1.38 or later.
Technical summary
The Ericsson Packet Core Controller (PCC) contains an Improper Neutralization of Special Elements vulnerability, allowing an attacker to execute arbitrary code as root. This issue affects PCC versions prior to 1.38. The vulnerability is considered high-severity and requires immediate attention. PCC administrators and security teams should assess exposure, prioritize patching, and monitor system logs for suspicious activity. The CVE record and NVD entry provide details on the vulnerability, but specific affected versions and remediation steps require verification.
Defensive priority
High priority for PCC administrators and security teams
Recommended defensive actions
- Verify PCC version and apply patch if necessary
- Review system configurations for potential vulnerabilities
- Monitor system logs for suspicious activity
Evidence notes
The CVE record and NVD entry provide details on the vulnerability, but specific affected versions and remediation steps require verification from Ericsson.
Sources and references
Verified primary and authoritative sources
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CVE-2025-59172 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-59172
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2025-59172 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-59172
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://www.ericsson.com/en/about-us/security/psirt/security-bulletin-pcc-july-2026
85b1779b-6ecd-4f52-bcc5-73eac4659dcf
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.