CVE-2024-27229Network attack vector

Remote service crash via unchecked null pointer

Published Mar 11, 2024 · Updated Mar 27, 2025

A null pointer dereference in GsmSs in Google Android 13 allows remote attackers to crash call-barring handling over a network. ss_SendCallBarringPwdRequiredIndMsg in ss_CallBarring.c dereferences a pointer without first checking it for null. No privileges or user interaction are required, and the documented consequence is availability loss only.

CVSS severity7.5
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A null pointer dereference in GsmSs in Google Android 13 allows remote attackers to crash call-barring handling over a network. ss_SendCallBarringPwdRequiredIndMsg in ss_CallBarring.c dereferences a pointer without first checking it for null. No privileges or user interaction are required, and the documented consequence is availability loss only.

The record

CVE
CVE-2024-27229
Published
Mar 11, 2024
Updated
Mar 27, 2025
Vendor
Google
Product
Android
Classifications
CWE-476, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 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=13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google · Androidversion=13

Published CVSS scores

7.5NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5CISA-ADPCVSS: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.

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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-476NULL Pointer Dereference
T1499.004Application or System Exploitation

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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