CVE-2024-53827Network attack vector

Unauthenticated service degradation via crafted message flood

Published May 16, 2025 · Updated May 16, 2025

Improper input validation in Ericsson Packet Core Controller before 1.36 allows remote attackers to degrade service via crafted messages. Ericsson has not disclosed the message type, processing component, or validation operation that mishandles the crafted traffic. Exploitation requires no authentication or user interaction but depends on a large message volume and affects availability without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Ericsson Packet Core Controller before 1.36 allows remote attackers to degrade service via crafted messages. Ericsson has not disclosed the message type, processing component, or validation operation that mishandles the crafted traffic. Exploitation requires no authentication or user interaction but depends on a large message volume and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2024-53827
Published
May 16, 2025
Updated
May 16, 2025
Vendor
Ericsson
Product
Packet Core Controller
Classifications
CWE-20, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 16, 2025CVE publishedPublication date reported by the CVE source.
  2. May 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.36 changes=[{"at":"1.36","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ericsson · Packet Core Controllerversion=0 <1.36 changes=[{"at":"1.36","status":"unaffected"}]

Published CVSS scores

7.5EricssonCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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