CVE-2021-46839
CRITICALCVSS 9.1/10EPSS 0.42%
Last modified
CVE-2021-46839 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Emui | 11.0.1 |
| Huawei | Emui | 12.0.0 |
| Huawei | Harmonyos | 2.0 |
References
- https://consumer.huawei.com/en/support/bulletin/2022/10/Vendor Advisory
- https://consumer.huawei.com/en/support/bulletin/2022/10/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46839?
The HW_KEYMASTER module has a vulnerability of missing bounds check on length.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.
How severe is CVE-2021-46839?
CVE-2021-46839 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46839?
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-2021-46839?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST