CVE-2020-9223: Huawei Honor 20 Pro Firmware

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

There is a denial of service vulnerability in some Huawei smartphones. Due to the improper processing of received abnormal messages, remote attackers may exploit this vulnerability to cause a denial of service (DoS) on the specific module.

Affected products

• Huawei Honor 20 Pro Firmware: before 10.1.0.230\(c432e9r5p1\) (fixed in 10.1.0.230\(c432e9r5p1\)); before 10.1.0.231\(c10e3r3p2\) (fixed in 10.1.0.231\(c10e3r3p2\)); before 10.1.0.231\(c185e3r5p1\) (fixed in 10.1.0.231\(c185e3r5p1\)); before 10.1.0.231\(c636e3r3p1\) (fixed in 10.1.0.231\(c636e3r3p1\))
• Huawei Princeton-AL10D Firmware: before 10.1.0.168\(c00e166r4p11\) (fixed in 10.1.0.168\(c00e166r4p11\))
• Huawei Yale-l21a Firmware: before 10.1.0.230\(c432e9r5p1\) (fixed in 10.1.0.230\(c432e9r5p1\)); before 10.1.0.231\(c10e3r3p2\) (fixed in 10.1.0.231\(c10e3r3p2\)); before 10.1.0.231\(c185e2r2p1\) (fixed in 10.1.0.231\(c185e2r2p1\)); before 10.1.0.231\(c636e3r3p1\) (fixed in 10.1.0.231\(c636e3r3p1\))
• Huawei Yale-l61a Firmware: before 10.1.0.225\(c432e3r1p2\) (fixed in 10.1.0.225\(c432e3r1p2\)); before 10.1.0.226\(c10e3r1p1\) (fixed in 10.1.0.226\(c10e3r1p1\))

Published 2020-12-29. Last modified 2026-06-17.