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Fencer Intel
low 2.4

CVE-2020-1831 json

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability.

published 6y ago modified 4mo ago also EUVD-2020-12657

cvss
2.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance function after a series of operations with a PC.

Patch / fix

  • huawei mate_20_firmware 10.0.0.195\(sp31c00e74r3p8\)

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Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 2.4 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • HUAWEI HUAWEI Mate 20

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.