CVE-2021-47969— Color Notes 1.4 Denial of Service via Long Character String
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| color-notes | Color Notes | 1.4 | affected |
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I. Basic Information for CVE-2021-47969
Vulnerability Information
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Vulnerability Title
Color Notes 1.4 Denial of Service via Long Character String
Source: NVD (National Vulnerability Database)
Vulnerability Description
Color Notes 1.4 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350,000 repeated characters and paste it twice into a new note to cause the application to stop responding.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Social & Mobile Color Notes 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Social & Mobile Color Notes是Social & Mobile公司的一款支持文本记录、待办事项管理与彩色分类的笔记应用。 Social & Mobile Color Notes 1.4版本存在安全漏洞，该漏洞源于拒绝服务问题，可能导致攻击者通过向笔记字段粘贴过长的字符串使应用程序崩溃。
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 |
|---|---|---|---|---|
| color-notes | Color Notes | 1.4 | - |
II. Public POCs for CVE-2021-47969
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-47969 (1)
Exploits & Public PoCs for CVE-2021-47969 (1)
IV. Related Vulnerabilities
Same weakness: CWE-789
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Nord VPN 6.14.31 Denial of Service via Password Field - CVE-2026-5740
Unauthenticated WebSocket binary frame causes denial of serv - CVE-2026-8485
Uncontrolled Memory Allocation vulnerability in Progress Sof
V. Comments for CVE-2021-47969
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