CVE-2021-22398
CVE-2021-22398 is a medium-severity vulnerability in Huawei Hulk-al00c Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Medium (CVSS 3.x base score 4.6)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Huawei Hulk-al00c Firmware
- Published:
- Last modified:
Description
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).
Frequently asked questions
- What is 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).
- How severe is CVE-2021-22398?
- CVE-2021-22398 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-22398 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22398?
- CVE-2021-22398 primarily affects Huawei Hulk-al00c Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-22398?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-22398 published?
- CVE-2021-22398 was published on 2021-08-02 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:huawei:hulk-al00c_firmware:9.1.1.201\(c00e201r8p1\):*:*:*:*:*:*:*
- cpe:2.3:o:huawei:jennifer-an00c_firmware:10.1.1.171\(c00e170r6p3\):*:*:*:*:*:*:*
- cpe:2.3:o:huawei:jenny-al10b_firmware:10.1.0.228\(c00e220r5p1\):*:*:*:*:*:*:*
- cpe:2.3:o:huawei:oxfordpl-an10b_firmware:10.1.0.116\(c00e110r2p1\):*:*:*:*:*:*:*
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