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Fencer Vulns
medium 4.6

CVE-2023-21467 json

Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted mess…

published 2025-09-03 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-25635

cvss
4.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Error in 3GPP specification implementation in Exynos baseband prior to SMR Apr-2023 Release 1 allows incorrect handling of unencrypted message.

Patch / fix

  • Samsung Mobile Samsung Mobile Devices SMR Apr-2023 Release in Select devices using Exynos chipsets

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.6 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Samsung Mobile Samsung Mobile Devices

Classification

Weakness

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.