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Vulnerabilities/CVE-2023-21492
Vulnerability dossier

CVE-2023-21492

VendorsamsungPublishedMay 4, 2023SourceNVDWeaknessCWE-532
Act now

Actively exploited in the wild. Patch or mitigate immediately — don't wait for a maintenance window.

Severity
Medium · 4.4
CVSS base score
Exploitation
In the wild
CISA KEV
Predicted risk
3% model
EPSS forecast — overtaken by confirmed exploitation
Exposure
Local only
Requires local access to the host
01

What's the risk?

An attacker with administrative privileges, with local access to the host, with no user interaction, can steal data.

Kernel pointers are printed in the log file prior to SMR May-2023 Release 1 allows a privileged local attacker to bypass ASLR.

How it's exploitedMITRE ATT&CK · inferred from weakness & vector
Privilege Escalation
T1068Exploitation for Privilege Escalation

Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.

02

Who's exploiting it?

Corroborated threat activity referencing this CVE — with source and confidence, not inference.

Confirmed exploited in the wild. CISA KEV · catalogued May 19, 2023

Named threat actors and observed ATT&CK techniques appear here as intel feeds are folded in — the ATT&CK chain above stays inferred until then.

03

Are we affected?

50
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affected
04

What to do

Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.

Generating AI analysis…
Technical details— weakness, CVSS vector & calculator, related CVEs

Weakness

1
CWE-532Common Weakness Enumeration · MITRE definition

CVSS 3.1 details

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
0.0
/ 10.0 base
Medium severity
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Exploitability metrics
Attack VectorAV
Requires local access to the target
Attack ComplexityAC
No special conditions required
Privileges RequiredPR
Administrative privileges
User InteractionUI
No user participation needed
Impact metrics
ScopeS
Impact confined to the vulnerable component
ConfidentialityC
Total loss of confidentiality
IntegrityI
No impact to integrity
AvailabilityA
No impact to availability

Related vulnerabilities

Other CVEs affecting android

NVD
8.8High
CVE-2026-58704KEV

In Cellular Modem, there is a possible permission bypass due to a logic error in the code. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

googleCWE-285Improper AuthorizationAdjacentLow effortNo authNo interactionCIA
2026-09-15
NVD
8.8High
CVE-2025-21043KEV

Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code.

samsungCWE-787Out-of-bounds WriteNetworkLow effortNo authUser neededCIA
2025-09-12
NVD
8.8High
CVE-2025-21042KEV

Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.

samsungCWE-787Out-of-bounds WriteNetworkLow effortNo authUser neededCIA
2025-09-12
NVD
8.8High
CVE-2025-48543KEV

In multiple locations, there is a possible way to escape chrome sandbox to attack android system_server due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

googleCWE-416Use After FreeLocalLow effortLow privNo interactionCIA
2025-09-04
NVD
8.4High
CVE-2025-48595KEV

In multiple locations, there is a possible way to achieve code execution due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

googleCWE-190Integer OverflowLocalLow effortNo authNo interactionCIA
2026-06-01
NVD
7.8High
CVE-2025-48572KEV

In multiple locations, there is a possible way to launch activities from the background due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

googleCWE-306Missing AuthenticationLocalLow effortLow privNo interactionCIA
2025-12-08
NVD
7.8High
CVE-2024-32896KEV

there is a possible way to bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

googleCWE-670Always-Incorrect Control FlowLocalLow effortNo authUser neededCIA
2024-06-13
NVD
7.8High
CVE-2024-29748KEV

there is a possible way to bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

googleCWE-755Improper Handling of Exceptional ConditionsLocalLow effortNo authUser neededCIA
2024-04-05
0.0
/ 10.0 base
Medium severity
Key facts
CVE ID
CVE-2023-21492
Published
May 4, 2023
Last modified
Jun 17, 2026
CVSS
4.4 (v3.1)
EPSS
2.55%
In CISA KEV
Yes
Confidence
100/100
Weakness
CWE-532
Timeline
  1. May 4, 2023Published to NVDNVD
  2. Jun 17, 2026Record last modifiedNVD
View on NVD
samsung · android
11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android11.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android12.0
  • Affectedsamsung · android13.0