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TI-2020-01734 Aliases CVE-2020-1796GHSA-xxfv-6426-45jv

Incorrect authorization in HUAWEI Mate 20;HUAWEI Mate 30 Pro

Priority LOW 29CWE-863Published · 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-863.

Summary

There is an improper authorization vulnerability in several smartphones. The software incorrectly performs an authorization to certain user, successful exploit could allow a low privilege user to do certain operation which the user are supposed not to do.Affected product versions include:HUAWEI Mate 20 versions Versions earlier than 10.0.0.188(C00E74R3P8);HUAWEI Mate 30 Pro versions Versions earlier than 10.0.0.203(C00E202R7P2).

Why it matters now

EPSS 0.00197 9th percentileScored 2026-11-07
Fix Fixed HUAWEI Mate 20;HUAWEI Mate 30 Pro: 10.0.0.188(C00E74R3P8), 10.0.0.203(C00E202R7P2)

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—HUAWEI Mate 20;HUAWEI Mate 30 Probefore 10.0.0.188(C00E74R3P8); before 10.0.0.203(C00E202R7P2)10.0.0.188(C00E74R3P8), 10.0.0.203(C00E202R7P2)Patch availableCNA
  • HUAWEI Mate 20;HUAWEI Mate 30 Pro Vendor— Affected before 10.0.0.188(C00E74R3P8); before 10.0.0.203(C00E202R7P2) Fixed in 10.0.0.188(C00E74R3P8), 10.0.0.203(C00E202R7P2) Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*up to 10.0.0.188\(c00e74r3p8\)VulnerableHuawei
cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
cpe:2.3:o:huawei:mate_30_pro_firmware:*:*:*:*:*:*:*:*up to 10.0.0.203\(c00e202r7p2\)VulnerableHuawei
cpe:2.3:h:huawei:mate_30_pro:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
  • cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:* Versions up to 10.0.0.188\(c00e74r3p8\) Vulnerable ·Huawei
  • cpe:2.3:h:huawei:mate_20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
  • cpe:2.3:o:huawei:mate_30_pro_firmware:*:*:*:*:*:*:*:* Versions up to 10.0.0.203\(c00e202r7p2\) Vulnerable ·Huawei
  • cpe:2.3:h:huawei:mate_30_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei

Remediation

  • Fix · CNA HUAWEI Mate 20;HUAWEI Mate 30 Pro Fixed in 10.0.0.188(C00E74R3P8), 10.0.0.203(C00E202R7P2)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1796
  2. 2026-10-03 Alias added: GHSA-xxfv-6426-45jv

References

  • 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