Auth bypass in Huawei Hulk-Al00c
CVE-2021-22398
There is a logic error vulnerability in several smartphones. The software does not properly restrict certain operation when the Digital Balance function is on. Successful exploit could allow the attacker to bypass the Digital Balance limit after a series of operations. Affected product versions include: Hulk-AL00C 9.1.1.201(C00E201R8P1);Jennifer-AN00C 10.1.1.171(C00E170R6P3);Jenny-AL10B 10.1.0.228(C00E220R5P1) and OxfordPL-AN10B 10.1.0.116(C00E110R2P1).
Vulnerability class: Broken Access Control
EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Huawei Hulk-al00c
- Huawei Hulk-al00c_firmware — versions 9.1.1.201\(c00e201r8p1\)
- Huawei Jennifer-an00c
- Huawei Jennifer-an00c_firmware — versions 10.1.1.171\(c00e170r6p3\)
- Huawei Jenny-al10b
- Huawei Jenny-al10b_firmware — versions 10.1.0.228\(c00e220r5p1\)
- Huawei Oxfordpl-an10b
- Huawei Oxfordpl-an10b_firmware — versions 10.1.0.116\(c00e110r2p1\)
- N/a Hulk-al00c;jennifer-an00c;jenny-al10b;oxfordpl-an10b — versions 9.1.1.201(C00E201R8P1), 10.1.1.171(C00E170R6P3), 10.1.0.228(C00E220R5P1)
Weakness classification (CWE)
References
- psirt@huawei.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22398?
- CVE-2021-22398 is a medium-severity vulnerability in Huawei Hulk-Al00c, classified under Incorrect Authorization. CVSS score: 4.6/10. Published 2021-08-02.
- How severe is CVE-2021-22398?
- Medium severity. CVSS v3 base score is 4.6 out of 10.