CVE-2021-22331 Cross-site scripting in HUAWEI P30

High 7.5 Published 28 Apr 2021 Updated 3 Aug 2024

Attackers can inject JavaScript via malicious application requests on Huawei P30 devices, potentially compromising service integrity and execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22331?

CVE-2021-22331 is a high-severity cross-site scripting vulnerability in HUAWEI P30, published on 28 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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).

Weakness: CWE-74

Which versions are affected by CVE-2021-22331?

It affects 1 product.

Products include Huawei P30 Firmware.

How do I fix CVE-2021-22331?

No fix has been published for CVE-2021-22331 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-22331 being exploited?

There is no known exploitation of CVE-2021-22331 in the wild and no public exploit code.

Sources

Also known as GHSA-52g2-g3r2-x33c.