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TI-2020-01725 Aliases CVE-2020-1787GHSA-pq48-j2pq-xj5j

Improper authentication in HUAWEI Mate 20

Priority LOW 29CWE-287Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host user's desktop in an instant, without unlocking the screen lock of the host user.

Why it matters now

EPSS 0.00262 18th percentileScored 2026-11-07
Fix Fixed HUAWEI Mate 20 (Huawei): 9.1.0.139(C00E133R3P1)

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
HuaweiHUAWEI Mate 20before 9.1.0.139(C00E133R3P1)9.1.0.139(C00E133R3P1)Patch availableCNA
  • HUAWEI Mate 20 VendorHuawei Affected before 9.1.0.139(C00E133R3P1) Fixed in 9.1.0.139(C00E133R3P1) Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*before 9.1.0.139\(c00e133r3p1\)VulnerableHuawei
cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
  • cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* Versions before 9.1.0.139\(c00e133r3p1\) 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 9.1.0.139(C00E133R3P1)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1787
  2. 2026-10-03 Alias added: GHSA-pq48-j2pq-xj5j

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