SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1796

There is an improper authorization vulnerability in several smartphones.

MEDIUM 6.6EPSS 0.20%

Does this matter?

Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.

Description

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).

CVSS 3.1
6.6 MEDIUMCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.20% probability · 9th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-863
Affected
huawei/mate 20 firmware · huawei/mate 30 pro firmware
Source
psirt@huawei.com
EPSS trend
0%3%5%26 October 2026: 0.20%26 October 202626 October 2026

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.