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TI-2020-01778 Aliases CVE-2020-1840GHSA-rf3j-pmqj-4m5q

Improper authentication in HUAWEI Mate 20

Priority LOW 26CWE-287Published · Updated

Key facts

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

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

Summary

HUAWEI Mate 20 smart phones with versions earlier than 10.0.0.175(C00E70R3P8) have an insufficient authentication vulnerability. A local attacker with high privilege can execute a specific command to exploit this vulnerability. Successful exploitation may cause information leak and compromise the availability of the smart phones.Affected product versions include: HUAWEI Mate 20 versions Versions earlier than 10.0.0.175(C00E70R3P8)

Why it matters now

EPSS 0.00222 12th percentileScored 2026-11-07
Fix Fixed HUAWEI Mate 20: 10.0.0.175(C00E70R3P8)

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—HUAWEI Mate 20before 10.0.0.175(C00E70R3P8)10.0.0.175(C00E70R3P8)Patch availableCNA
  • HUAWEI Mate 20 Vendor— Affected before 10.0.0.175(C00E70R3P8) Fixed in 10.0.0.175(C00E70R3P8) Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*up to 10.0.0.175\(c00e70r3p8\)VulnerableHuawei
cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
  • cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* Versions up to 10.0.0.175\(c00e70r3p8\) Vulnerable ·Huawei
  • cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei

Remediation

  • Fix · CNA HUAWEI Mate 20 Fixed in 10.0.0.175(C00E70R3P8)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1840
  2. 2026-10-03 Alias added: GHSA-rf3j-pmqj-4m5q

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