CVE-2021-22423
HIGHCVSS 7.8/10EPSS 0.18%
Last modified
CVE-2021-22423 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A component of the HarmonyOS has a Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflow.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
A component of the HarmonyOS has a Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflow.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Harmonyos | All versions |
References
- https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077Not Applicable, Vendor Advisory
- https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077Not Applicable, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22423?
A component of the HarmonyOS has a Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflow.
How severe is CVE-2021-22423?
CVE-2021-22423 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22423?
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-2021-22423?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST