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Fencer Intel
medium 6.3

CVE-2025-20900 json

Out-of-bounds write in Blockchain Keystore prior to version 1.3.16.5 allows local privileged attackers to write out-of-bounds memory.

published last yr. modified 4mo ago also EUVD-2025-2213

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

Out-of-bounds write in Blockchain Keystore prior to version 1.3.16.5 allows local privileged attackers to write out-of-bounds memory.

Patch / fix

  • Samsung Mobile Blockchain Keystore 1.3.16.5

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
NVD 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Samsung Mobile Blockchain Keystore

Classification

Weakness

References

Sources

Fencer Intel 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.