There is a denial of service vulnerability in some Huawei smartphones.

published 2020-12-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30052

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

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.

Patch / fix

fixed in 4

huawei honor_20_pro_firmware 10.1.0.230\(c432e9r5p1\), 10.1.0.231\(c10e3r3p2\), 10.1.0.231\(c185e3r5p1\), 10.1.0.231\(c636e3r3p1\)
huawei princeton-al10d_firmware 10.1.0.168\(c00e166r4p11\)
huawei yale-l21a_firmware 10.1.0.230\(c432e9r5p1\), 10.1.0.231\(c10e3r3p2\), 10.1.0.231\(c185e2r2p1\), 10.1.0.231\(c636e3r3p1\)
huawei yale-l61a_firmware 10.1.0.225\(c432e3r1p2\), 10.1.0.226\(c10e3r1p1\)

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

n/a HONOR 20 PRO
n/a Princeton-AL10D
n/a Yale-L21A
n/a Yale-L61A

References

huawei.com /en/psirt/security-advisories/huawei-sa-20201216-03-smartphone-en
vendor-advisory

Sources

CVE List CVE-2020-9223
NVD CVE-2020-9223

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Summary