CVE-2021-23509— Prototype Pollution
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-23509
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Prototype Pollution
Source: NVD (National Vulnerability Database)
Vulnerability Description
This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
json-ptr 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Json-Ptr是用于 Nodejs 和现代浏览器的 Json 指针 ( Rfc 6901 ) 的完整实现。 json-ptr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 |
|---|---|---|---|---|
| - | json-ptr | unspecified ~ 3.0.0 | - |
II. Public POCs for CVE-2021-23509
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-23509
请登录查看更多情报信息。
- https://github.com/flitbit/json-ptr/pull/42x_refsource_MISC
- https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1767165x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-23509
Same Patch Batch · n/a · 2021-11-03 · 41 CVEs total
| CVE-2021-23820 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2021-23624 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2021-23807 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2021-23784 | 5.4 MEDIUM | Cross-site Scripting (XSS) |
| CVE-2021-23472 | 3.1 LOW | Cross-site Scripting (XSS) |
| CVE-2021-43140 | Simple Subscription Website SQL注入漏洞 | |
| CVE-2020-18259 | Ed01-Cms 跨站脚本漏洞 | |
| CVE-2020-18261 | Ed01-Cms 代码问题漏洞 | |
| CVE-2020-18262 | Ed01-Cms SQL注入漏洞 | |
| CVE-2020-18263 | PHPCMS SQL注入漏洞 | |
| CVE-2020-23680 | Text2Pdf 代码问题漏洞 | |
| CVE-2021-43141 | Simple Subscription Website 跨站脚本漏洞 | |
| CVE-2020-28416 | Hp OfficeJet和Hp PageWide 安全漏洞 | |
| CVE-2020-6931 | HP Print and Scan Doctor 安全漏洞 | |
| CVE-2021-33800 | Alibaba Druid 路径遍历漏洞 | |
| CVE-2021-35053 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-41492 | Simple Cashiering System SQL注入漏洞 | |
| CVE-2021-42772 | Broadcom Management Center 安全漏洞 | |
| CVE-2021-43339 | Ericsson Network Location Mps Gmpc21 命令注入漏洞 | |
| CVE-2021-43032 | XenForo 跨站脚本漏洞 |
Showing top 20 of 41 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: json-ptr
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
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-2021-23509
No comments yet