CVE-2021-22331

Name: CVE-2021-22331
Creator: NVD / NIST
Published: 2021-04-28T13:15:08.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2021-22331 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is a JavaScript injection vulnerability in certain Huawei smartphones. A module does not verify some inputs sufficiently. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.72%

49.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Huawei	P30 Firmware	< 10.1.0.165\(c01e165r2p11\)
Huawei	P30 Firmware	< 11.0.0.118\(c635e2r1p3\)
Huawei	P30 Firmware	< 11.0.0.120\(c00e120r2p5\)
Huawei	P30 Firmware	< 11.0.0.138\(c10e4r5p3\)
Huawei	P30 Firmware	< 11.0.0.138\(c185e4r7p3\)
Huawei	P30 Firmware	< 11.0.0.138\(c432e8r2p3\)
Huawei	P30 Firmware	< 11.0.0.138\(c461e4r3p3\)
Huawei	P30 Firmware	< 11.0.0.138\(c605e4r1p3\)
Huawei	P30 Firmware	< 11.0.0.138\(c636e4r3p3\)

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210331-01-js-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210331-01-js-enVendor Advisory

Timeline

Published: Apr 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22331?

How severe is CVE-2021-22331?

CVE-2021-22331 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22331?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22331?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST