CVE-2021-39968 Business logic in HarmonyOS

What is CVE-2021-39968?

CVE-2021-39968 is a high-severity vulnerability in Huawei Harmonyos, published on 3 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Changlian Blocklist has a Business Logic Errors vulnerability .Successful exploitation of this vulnerability may expand the attack surface of the message class.

Which versions are affected by CVE-2021-39968?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-39968?

No fix has been published for CVE-2021-39968 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-39968 being exploited?

There is no known exploitation of CVE-2021-39968 in the wild and no public exploit code.

Other vulnerabilities in Huawei Harmonyos

• CVE-2026-34865 Memory corruption in HarmonyOS Critical 10.0
• CVE-2023-34157 Other in HarmonyOS Critical 10.0
• CVE-2023-41294 Denial of service in HarmonyOS Critical 9.8
• CVE-2022-48478 Denial of service in HarmonyOS Critical 9.8
• CVE-2022-48479 Memory corruption in HarmonyOS Critical 9.8

All Huawei Harmonyos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6jvx-6ppx-2949.