CVE-2023-21496

MEDIUMNVD 6.16.1—

6.1

Active Debug Code vulnerability in ActivityManagerService prior to SMR May-2023 Release 1 allows attacker to use debug function via setting debug level.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 35.0%
KEV: Not listed

Published

May 4, 2023

Last Modified

November 21, 2024

References (2)

mobilehttps://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-489

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-28 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-21496?

CVE-2023-21496 is a medium vulnerability published on May 4, 2023. Active Debug Code vulnerability in ActivityManagerService prior to SMR May-2023 Release 1 allows attacker to use debug function via setting debug level.

When was CVE-2023-21496 disclosed?

CVE-2023-21496 was first published in the National Vulnerability Database on May 4, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-21496 actively exploited?

CVE-2023-21496 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-21496?

CVE-2023-21496 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-21496?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-21496, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-21496

📅 Published

🔄 Last Modified

🔗 References (2)