CVE-2021-22331

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-04-28 · updated 2026-06-17
Weakness: CWE-74

Description

There is a JavaScript injection vulnerability in certain Huawei smartphones. A module does not verify some inputs sufficiently. Attackers can exploit this vulnerability by sending a malicious application request to launch JavaScript injection. This may compromise normal service. Affected product versions include HUAWEI P30 versions earlier than 10.1.0.165(C01E165R2P11), 11.0.0.118(C635E2R1P3), 11.0.0.120(C00E120R2P5), 11.0.0.138(C10E4R5P3), 11.0.0.138(C185E4R7P3), 11.0.0.138(C432E8R2P3), 11.0.0.138(C461E4R3P3), 11.0.0.138(C605E4R1P3), and 11.0.0.138(C636E4R3P3).

Affected products

HUAWEI P30: before 10.1.0.165\(c01e165r2p11\); before 11.0.0.118\(c635e2r1p3\); before 11.0.0.120\(c00e120r2p5\); before 11.0.0.138\(c10e4r5p3\); before 11.0.0.138\(c185e4r7p3\); before 11.0.0.138\(c432e8r2p3\) — fixed in 10.1.0.165\(c01e165r2p11\), 11.0.0.118\(c635e2r1p3\), 11.0.0.120\(c00e120r2p5\), 11.0.0.138\(c10e4r5p3\), 11.0.0.138\(c185e4r7p3\), 11.0.0.138\(c432e8r2p3\)

How to fix

Upgrade to a fixed version: HUAWEI P30 10.1.0.165\(c01e165r2p11\), 11.0.0.118\(c635e2r1p3\), 11.0.0.120\(c00e120r2p5\), 11.0.0.138\(c10e4r5p3\). Check the vendor advisory for mitigations.

References

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