CVE-2024-20051

System crash via uncaught flashc exception

Published Apr 1, 2024 · Updated Nov 4, 2024

Improper exception handling in MediaTek flashc releases allows local users with System privileges to crash affected devices. The flashc component fails to catch an exception, allowing it to propagate until the system crashes; MediaTek has not disclosed the triggering input or narrower code locus. Affected software comprises Android 12.0, 13.0, and 14.0; OpenWrt 19.07 and 21.02; Yocto 3.3; and RDK-B 22Q3, with no user interaction required.

CVSS severity2.3
Low
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper exception handling in MediaTek flashc releases allows local users with System privileges to crash affected devices. The flashc component fails to catch an exception, allowing it to propagate until the system crashes; MediaTek has not disclosed the triggering input or narrower code locus. Affected software comprises Android 12.0, 13.0, and 14.0; OpenWrt 19.07 and 21.02; Yocto 3.3; and RDK-B 22Q3, with no user interaction required.

The record

CVE
CVE-2024-20051
Published
Apr 1, 2024
Updated
Nov 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-703, T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

2.3CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-703Improper Check or Handling of Exceptional Conditions
T1499.004Endpoint Denial of Service: Application 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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