There is an improper authorization vulnerability in Huawei products. A file access is not authorized correctly. Attacker with low access may launch privilege escalation in a specific scenario. This may compromise the normal service. (Vulnerability ID: HWPSIRT-2020-05262)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22361.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Attacker with low access may launch privilege escalation in a specific scenario. This may compromise the normal service.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.7 (AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 6.2 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
Attackers have low access to the affected products.
A file access is not authorized correctly. Attacker with low access may launch privilege escalation in a specific scenario. This may compromise the normal service.
Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.
This vulnerability was discovered by Huawei internal tester.
2021-05-19 V1.0 INITIAL
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To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.