CVE-2020-9257

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% 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-120

Description

HUAWEI P30 Pro smartphones with versions earlier than 10.1.0.123(C432E19R2P5patch02), versions earlier than 10.1.0.126(C10E11R5P1), and versions earlier than 10.1.0.160(C00E160R2P8) have a buffer overflow vulnerability. The software access data past the end, or before the beginning, of the intended buffer when handling certain operations of certificate, the attacker should trick the user into installing a malicious application, successful exploit may cause code execution.

Affected products

HUAWEI P30 Pro: before 10.1.0.123\(c432e19r2p5patch02\); before 10.1.0.126\(c10e11r5p1\); before 10.1.0.160\(c00e160r2p8\) — fixed in 10.1.0.123\(c432e19r2p5patch02\), 10.1.0.126\(c10e11r5p1\), 10.1.0.160\(c00e160r2p8\)

How to fix

Upgrade to a fixed version: HUAWEI P30 Pro 10.1.0.123\(c432e19r2p5patch02\), 10.1.0.126\(c10e11r5p1\), 10.1.0.160\(c00e160r2p8\). Check the vendor advisory for mitigations.

References

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