In several functions of PhoneAccountRegistrar.java, there is a possible way to prevent an access to emergency services due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256819769
CVE-2023-21111
Score 5.5 from GitHub Security Advisory published 2023-05-16. NVD baseline CVSS 5.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.5
- EG Score
- 5.5(medium)
- EG Risk
- —
- EPSS
- 0.5%
- KEV
- Not listed
Published
May 15, 2023
Last Modified
January 31, 2025
References (2)
- security@androidhttps://source.android.com/security/bulletin/2023-05-01
- af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2023-05-01
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 23× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 23:05 UTCEG score recompute
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- 2026-05-25 01:03 UTCEG score recompute
- 2026-05-25 01:03 UTCGHSA enrichment
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Frequently asked(5)
What is CVE-2023-21111?
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Dependency Blast Radius
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