Home/CVE/Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch pri
CVE

CVE-2023-21480

Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch pri

Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch privileged activities.

HIGH · CVSS 8.5 EPSS 0.00035
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

1
samsung androidall versions
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Scoring & Timeline

8.5
HIGH · CVSS v3.1 · mobile.security@samsung.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Sep 2025 · 06:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04Vendor Advisory
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