CVE-2024-53827
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedEricsson Packet Core Controller (PCC) contains a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceDenial of service vulnerability in Ericsson Packet Core Controller (PCC) where an attacker sending a large volume of specially crafted messages can cause service degradation. The flaw appears to be in message handling/validation logic within the PCC that fails to properly handle malformed or oversized message volumes.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Ericsson PCC deploymentInventory your telecom infrastructure to identify if Ericsson Packet Core Controller is installed. Check EPC/5G core network component lists or consult Ericsson deployment documentation.Affected if Ericsson PCC is not present in the environment, the CVE does not apply
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Identify PCC versionAccess the PCC management interface or CLI and retrieve the installed software version. Consult Ericsson product documentation to map the version to release cycles.Affected if The installed version falls within the vulnerable release range and has not been patched
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Verify PCC network exposureReview firewall rules and network segmentation to determine if PCC interfaces (Gx, Rx, Gy, etc.) are accessible from untrusted networks or the internet.Affected if PCC message handling ports are exposed to external or untrusted network segments, the vulnerability can be triggered remotely
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Check for abnormal message patternsReview PCC logs, syslogs, or management system alerts for spikes in malformed messages, oversized packets, or message parsing errors.Affected if Logs show high volumes of malformed messages or message validation failures that correlate with the described attack pattern
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Monitor for service degradationCheck PCC performance metrics for increased latency, processing failures, or service unavailability events, particularly in message handling subsystems.Affected if Service degradation coincides with elevated message traffic patterns consistent with the DoS condition
A user is affected if Ericsson PCC is deployed, the version is unpatched, and the PCC is reachable for an attacker to send specially crafted messages that cause degradation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor patches when available; implement rate limiting and traffic filtering on PCC interfaces; monitor for abnormal message patterns that indicate attack attempts.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-53827 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-53827 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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