CVE-2024-20838

Local code execution via undisclosed validation failure

Published Mar 5, 2024 · Updated Aug 1, 2024

Improper validation in Samsung Internet before 24.0.3.2 allows local attackers to execute arbitrary code through unauthorized access. Samsung identifies only an unspecified validation failure and states that the patch adds validation to prevent unauthorized access; no affected component or input is public. Exploitation is local and requires no privileges or user interaction according to Samsung's assessment, with code execution affecting confidentiality, integrity, and availability.

CVSS severity6.8
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper validation in Samsung Internet before 24.0.3.2 allows local attackers to execute arbitrary code through unauthorized access. Samsung identifies only an unspecified validation failure and states that the patch adds validation to prevent unauthorized access; no affected component or input is public. Exploitation is local and requires no privileges or user interaction according to Samsung's assessment, with code execution affecting confidentiality, integrity, and availability.

The record

CVE
CVE-2024-20838
Published
Mar 5, 2024
Updated
Aug 1, 2024
Vendor
Samsung Electronics
Product
Samsung Internet
Classifications
CWE-284, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics · Samsung InternetAffected versions are unavailable in this record.

Published CVSS scores

6.8Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1203Exploitation for Client Execution

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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