CVE-2021-31684
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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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-31684
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/andikahilmy/CVE-2021-31684-json-smart-v2-vulnerable | POC Details |
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Same Patch Batch · n/a · 2021-06-01 · 38 CVEs total
| CVE-2020-27748 | xdg-utils 安全漏洞 | |
| CVE-2020-26669 | Fastspot BigTree 跨站脚本漏洞 | |
| CVE-2020-26668 | Fastspot BigTree SQL注入漏洞 | |
| CVE-2021-31641 | CHIYU科技BF-630W 跨站脚本漏洞 | |
| CVE-2021-3412 | 3Scale 安全漏洞 | |
| CVE-2021-3516 | libxml2 资源管理错误漏洞 | |
| CVE-2021-20306 | Red Hat BPMN Editor 安全漏洞 | |
| CVE-2021-3515 | PostgreSQL 操作系统命令注入漏洞 | |
| CVE-2021-3495 | Kiali-operator 安全漏洞 | |
| CVE-2021-3543 | Red Hat, Inc. Nitro Enclaves内核驱动 资源管理错误漏洞 | |
| CVE-2020-26670 | Fastspot BigTree 操作系统命令注入漏洞 | |
| CVE-2021-23017 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-23021 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-23020 | NGINX控制器 安全特征问题漏洞 | |
| CVE-2021-23019 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-23018 | Nginx 控制器 安全漏洞 | |
| CVE-2021-27828 | In4Velocity In4Suite ERP SQL注入漏洞 | |
| CVE-2021-25932 | Opennms Group OpenNMS 跨站脚本漏洞 | |
| CVE-2021-32027 | PostgreSQL 输入验证错误漏洞 | |
| CVE-2021-3424 | Red Hat Single Sign-On 7安全漏洞 |
Showing top 20 of 38 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-31684
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