CVE-2021-22379
CVE-2021-22379 is a high-severity vulnerability in Huawei Emui with a CVSS 3.x base score of 7.5. 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-191.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-191
- Affected product: Huawei Emui
- Published:
- Last modified:
Description
There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.
Frequently asked questions
- What is CVE-2021-22379?
- There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.
- How severe is CVE-2021-22379?
- CVE-2021-22379 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-22379 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22379?
- CVE-2021-22379 primarily affects Huawei Emui. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-22379?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-22379 published?
- CVE-2021-22379 was published on 2021-08-02 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*
More vulnerabilities in Huawei Emui
- CVE-2023-52381 — Critical (CVSS 9.8): Script injection vulnerability in the email module.Successful exploitation of this vulnerability may affect service…
- CVE-2023-52378 — Critical (CVSS 9.8): Vulnerability of incorrect service logic in the WindowManagerServices module.Successful exploitation of this…
- CVE-2023-52370 — Critical (CVSS 9.8): Stack overflow vulnerability in the network acceleration module.Successful exploitation of this vulnerability may cause…
- CVE-2023-52103 — Critical (CVSS 9.8): Buffer overflow vulnerability in the FLP module. Successful exploitation of this vulnerability may cause out-of-bounds…
- CVE-2023-46773 — Critical (CVSS 9.8): Permission management vulnerability in the PMS module. Successful exploitation of this vulnerability may cause…
- CVE-2023-44116 — Critical (CVSS 9.8): Vulnerability of access permissions not being strictly verified in the APPWidget module.Successful exploitation of this…
All CVEs affecting Huawei Emui →
Other CWE-191 (Integer Underflow) vulnerabilities
- CVE-2007-0063 — Critical (CVSS 10.0): Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build…
- CVE-2026-53176 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than…
- CVE-2026-37534 — Critical (CVSS 9.8): Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in…
- CVE-2025-52471 — Critical (CVSS 9.8): ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. An integer underflow vulnerability has been…
- CVE-2025-29909 — Critical (CVSS 9.8): CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures…
- CVE-2024-47606 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An integer underflow has been detected in…