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I. Basic Information for CVE-2021-31684
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Github json-smart-v1 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Github json-smart-v1是Github开源的一个应用软件。提供数据存储中的所有非索引数据都作为序列化的 JSON 消息存储在列中功能。 JSON Smart 1.3 和 2.4 版本存在安全漏洞，该漏洞源于JSONParserByteArray的indexOf函数，攻击者可利用该漏洞通过精心制作的web请求导致拒绝服务。以下产品和版本受到影响：Nextcloud Server 19.0.11、20.0.10或21.0.2之前的版本。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-31684
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/andikahilmy/CVE-2021-31684-json-smart-v2-vulnerablePOC Details
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III. Intelligence Information for CVE-2021-31684
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IV. Related Vulnerabilities
Same product: n/a
Same vendor: n/a
V. Comments for CVE-2021-31684

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