CVE-2021-22348

CRITICAL

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause code to execute.

Affects 2 products across 1 vendor.

CVSS 3.19.8
EPSS0.8%
Percentile55th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-416: Use After Free

Software references memory after it has been freed, leading to corruption, crashes, or code execution.

◆ AI Analysis — automated analysis, not human-reviewed

A Memory Buffer Improper Operation Limit Vulnerability exists in Huawei Smartphones, which could allow an attacker to execute arbitrary code.

BSID: BS-2021-GLOBAL-241803-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2021-22348?
A Memory Buffer Improper Operation Limit Vulnerability exists in Huawei Smartphones, which could allow an attacker to execute arbitrary code.
What is the CVSS score for CVE-2021-22348?
CVE-2021-22348 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.8%.
Is CVE-2021-22348 actively exploited?
No confirmed active exploitation of CVE-2021-22348 as of 2026-05-30.
How do I remediate CVE-2021-22348?
Priority: IMMEDIATE. Advisory: https://consumer.huawei.com/en/support/bulletin/2021/5/
What systems are affected by CVE-2021-22348?
CVE-2021-22348 affects Huawei Emui, Magic Ui.
Vulnerability Details
CVE IDCVE-2021-22348
BSIDBS-2021-GLOBAL-241803-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2021-06-30
Last Modified2024-11-21
ICS Relevance0%
Weakness (CWE)
Use After Free
Domains
NETWORK-INFRA
SourceNVD
Official Description

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause code to execute.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is related to improper handling of memory buffers, which could be exploited by an attacker to execute arbitrary code on the device.

Exploitation Likelihood: HIGH

Affected Products
VendorProductAffected Versions
Huawei Emui 10.1.1 11.0.0
Huawei Magic Ui 3.1.1 4.0.0
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1933 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash5201592941e5f7f7a10a8150c4ffb1c31c0ae77078cc97a52cabc1d878d6fa75e04663cae1c202617a5fd0862fbed929bf644830452c73a0b6e2757d9c06151a
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