Skip to content
Fencer Vulns
medium 5.1

CVE-2023-21424 json

Improper Handling of Insufficient Permissions or Privileges vulnerability in SemChameleonHelper prior to SMR Jan-2023 Release 1 allows atta…

published 2023-02-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25592

cvss
5.1
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 4%
public exploits
0
none known

Summary

Improper Handling of Insufficient Permissions or Privileges vulnerability in SemChameleonHelper prior to SMR Jan-2023 Release 1 allows attacker to modify network related values, network code, carrier id and operator brand.

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

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/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

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.