CVE-2020-9252

Severity: low (CVSS 2.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-17 · updated 2026-06-17
Weakness: CWE-22

Description

HUAWEI Mate 20 versions earlier than 10.1.0.160(C00E160R3P8), HUAWEI Mate 20 X versions earlier than 10.1.0.135(C00E135R2P8), HUAWEI Mate 20 RS versions earlier than 10.1.0.160(C786E160R3P8), and Honor Magic2 smartphones versions earlier than 10.1.0.160(C00E160R2P11) have a path traversal vulnerability. The system does not sufficiently validate certain pathname from certain process, successful exploit could allow the attacker write files to a crafted path.

Affected products

Huawei Magic2 Firmware: before 10.1.0.160\(c00e160r2p11\) — fixed in 10.1.0.160\(c00e160r2p11\)
HUAWEI Mate 20: before 10.1.0.160\(c00e160r3p8\) — fixed in 10.1.0.160\(c00e160r3p8\)
Mate 20 RS: before 10.1.0.160\(c786e160r3p8\) — fixed in 10.1.0.160\(c786e160r3p8\)
Huawei Mate 20 X: before 10.1.0.135\(c00e135r2p8\) — fixed in 10.1.0.135\(c00e135r2p8\)

How to fix

Upgrade to a fixed version: Huawei Magic2 Firmware 10.1.0.160\(c00e160r2p11\); HUAWEI Mate 20 10.1.0.160\(c00e160r3p8\); Mate 20 RS 10.1.0.160\(c786e160r3p8\); Huawei Mate 20 X 10.1.0.135\(c00e135r2p8\). Check the vendor advisory for mitigations.

References

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