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TI-2020-01769 Aliases CVE-2020-1831GHSA-9j32-v5x8-3g32

Incorrect authorization in HUAWEI Mate 20

Priority LOW 12CWE-863Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.

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.

Why it matters now

EPSS 0.00196 9th percentileScored 2026-11-07
Fix Fixed HUAWEI Mate 20 (HUAWEI): 10.0.0.195(SP31C00E74R3P8)

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
HuaweiHUAWEI Mate 20before 10.0.0.195(SP31C00E74R3P8)10.0.0.195(SP31C00E74R3P8)Patch availableCNA
  • HUAWEI Mate 20 VendorHuawei Affected before 10.0.0.195(SP31C00E74R3P8) Fixed in 10.0.0.195(SP31C00E74R3P8) Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*before 10.0.0.195\(sp31c00e74r3p8\)VulnerableHuawei
cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
  • cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.195\(sp31c00e74r3p8\) Vulnerable ·Huawei
  • cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei

Remediation

  • Fix · CNA HUAWEI Mate 20 (HUAWEI) Fixed in 10.0.0.195(SP31C00E74R3P8)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1831
  2. 2026-10-03 Alias added: GHSA-9j32-v5x8-3g32

References

Advisory 1

  • TI-2020-00021 In reassemble_and_dispatch of packet_fragmenter.cc, there is possible out of bounds write… CVSS 3.1HIGH 8.8
  • TI-2019-06941 Cryptographic flaw in Bluetooth BR/EDR CVSS 3.1HIGH 8.1
  • TI-2020-07388 Buffer overflow in Huawei HONOR 20 PRO CVSS 3.1HIGH 7.8
  • TI-2019-03660 Buffer overflow in P30, Mate 20, P30 Pro CVSS 3.1HIGH 7.8
  • TI-2020-07324 Buffer overflow in HUAWEI Mate 20 CVSS 3.1HIGH 8.0
  • TI-2020-07385 HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8);HUAWEI Mate 20 Pro… CVSS 3.1MEDIUM 6.8
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences