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CVE-2021-4019— Heap-based Buffer Overflow in vim/vim

Quick assessment

Affected
vim vim/vim
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vim是一款基于UNIX平台的编辑器。 vim存在安全漏洞，攻击者可利用该漏洞执行基于堆的缓冲区溢出攻击。

AI Predicted 5.5 Difficulty: Moderate EPSS 1.79% · P77

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-4019

Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow in vim/vim
Source: CVE Program / CVE List V5
Vulnerability Description
vim is vulnerable to Heap-based Buffer Overflow
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
vim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是一款基于UNIX平台的编辑器。 vim存在安全漏洞，攻击者可利用该漏洞执行基于堆的缓冲区溢出攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vim vim/vim unspecified ~ 8.2.3669 -

II. Public POCs for CVE-2021-4019

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-4019

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Patches & Fixes for CVE-2021-4019 (1)

Vendor Advisories for CVE-2021-4019 (2)

Mailing List Discussions for CVE-2021-4019 (5)

IV. Related Vulnerabilities

Same product: vim/vim
Same vendor: vim
Same weakness: CWE-122

V. Comments for CVE-2021-4019

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