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Fencer Vulns
medium 4.0

CVE-2023-21428 json

Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call.

published 2023-02-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25596

cvss
4.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 6%
public exploits
0
none known

Summary

Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call. The patch removes unused code.

Patch / fix

  • Samsung Mobile Samsung Mobile Devices SMR Jan-2023 Release 1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Samsung Mobile Samsung Mobile Devices

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.