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CVE-2021-3778— 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，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

AI Predicted 8.8 Difficulty: Easy EPSS 1.73% · P76

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-3778

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 缓冲区错误漏洞
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，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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 ~ 8.2.3409 -

II. Public POCs for CVE-2021-3778

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3778

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Patches & Fixes for CVE-2021-3778 (1)

Vendor Advisories for CVE-2021-3778 (3)

Mailing List Discussions for CVE-2021-3778 (4)

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-3778

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