CVE-2021-39990 — CRITICAL (9.8)

Q: What is CVE-2021-39990?

CVE-2021-39990 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.

Q: How severe is CVE-2021-39990?

CVE-2021-39990 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-39990?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos.

Vulnerability Description

The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	< 2.0

Related Weaknesses (CWE)

CWE-787

References

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0Vendor Advisory
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0Vendor Advisory

FAQ

What is CVE-2021-39990?

CVE-2021-39990 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.

How severe is CVE-2021-39990?

CVE-2021-39990 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-39990?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos.