What’s Vulnerable › Vulnerabilities

CVE-2020-9117

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-01 · updated 2026-06-17
• Weakness: CWE-125

Description

HUAWEI nova 4 versions earlier than 10.0.0.165(C01E34R2P4) and SydneyM-AL00 versions earlier than 10.0.0.165(C00E66R1P5) have an out-of-bounds read and write vulnerability. An attacker with specific permissions crafts malformed packet with specific parameter and sends the packet to the affected products. Due to insufficient validation of packet, which may be exploited to cause the information leakage or arbitrary code execution.

Affected products

• Huawei Nova 4 Firmware: before 10.0.0.165\(c01e34r2p4\) — fixed in 10.0.0.165\(c01e34r2p4\)
• Huawei Sydneym-Al00 Firmware: before 10.0.0.165\(c00e66r1p5\) — fixed in 10.0.0.165\(c00e66r1p5\)

How to fix

Upgrade to a fixed version: Huawei Nova 4 Firmware 10.0.0.165\(c01e34r2p4\); Huawei Sydneym-Al00 Firmware 10.0.0.165\(c00e66r1p5\). Check the vendor advisory for mitigations.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201125-01-outofboundread-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201125-01-outofboundread-en

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