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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (4.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Huawei Hulk-Al00c
- Huawei Hulk-Al00c Firmware — versions 9.1.1.201\(c00e201r8p1\), 9.1.1.201(c00e201r8p1)
- Huawei Jennifer-An00c
- Huawei Jennifer-An00c Firmware — versions 10.1.1.171(c00e170r6p3), 10.1.1.171\(c00e170r6p3\)
- Huawei Jenny-Al10b
- Huawei Jenny-Al10b Firmware — versions 10.1.0.228\(c00e220r5p1\), 10.1.0.228(c00e220r5p1)
- Huawei Oxfordpl-An10b
- Huawei Oxfordpl-An10b Firmware — versions 10.1.0.116\(c00e110r2p1\), 10.1.0.116(c00e110r2p1)
- 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
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.