A Huawei product has a privilege escalation vulnerability. Successful exploit could allow the attacker to access certain resource beyond its privilege. (Vulnerability ID: HWPSIRT-2021-49498)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-40046.
For products that have released software updates to fix this vulnerability, Huawei will release and update the Security Advisory at:
Resolved Product and Version
Successful exploit could allow the attacker to access certain resource beyond its privilege.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 8.8 (AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
Temporal Score: 8.2 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
An attacker could send a crafted message to the system.
A privilege escalation vulnerability exists in a Huawei product. A module fails to fully verify external input, allowing attackers to perform malicious operations to obtain high permissions. Successful exploit could allow the attacker to access certain resource beyond its privilege.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was discovered by Huawei internal tester.
2022-02-15 V1.0 INITIAL
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