Summary:
Ericsson has released an update for Packet Core Controller to address a security issue that if exploited may cause service degradation.
Vulnerability description:
This section summarizes the vulnerability issue and potential impact that this security update addresses.
CVE-2024-53827 - Ericsson Packet Core Controller (PCC) contains a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation.
CVSS Base Score: 7.5
Severity: High
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Type: CWE-20 Improper Input Validation
Security update:
The following table lists the Ericsson products affected, versions affected, and the updated version that includes this security update. To protect your system, download and install the updated version.
| CVE addressed | Product name | Affected versions | Updated versions |
|---|---|---|---|
| CVE-2024- 53827 | Packet Core Controller (PCC) | All versions prior to PCC 1.36 |
PCC 1.36 |
Acknowledgement:
Ericsson thanks following people for reporting this issue to us:
- The UK’s National Cyber Security Centre (NCSC)
- The UK Telecoms Lab (UKTL)
Additional information:
- Ericsson severity assessment of a vulnerability is based on an average of risk across a diverse set of installed systems and may not represent the true risk to your organization. We recommend evaluating the risk to your specific configuration.
- If you have any questions regarding this bulletin, please reach out to your local Ericsson support representative.
- Learn more about the vulnerability management process followed by the Ericsson Product Security Incident Response Team (PSIRT), see Ericsson PSIRT page.
Revision history:
| Revision | Date | Description |
|---|---|---|
| 1.0 | May 16, 2025 | Initial Release |
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