CVE-2021-20440
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-20440
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
IBM API Connect 10.0.0.0, and 2018.4.1.0 through 2018.4.1.13 does not restrict member registration to the intended recepient. An attacker who is a valid user in the user registry used by API Manager can use a stolen invitation link and register themselves as a member of an API provider organization. IBM X-Force ID: 196536.
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
IBM API Connect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM API Connect（APIConnect）是美国IBM公司的一套用于管理API生命周期的集成解决方案。该产品支持创建、运行、管理和保护API和微服务等。 IBM API Connect 存在安全漏洞，该漏洞允许攻击者可以使用偷来的邀请链接，并将自己注册为API提供者组织的成员。
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 |
|---|---|---|---|---|
| IBM | API Connect | 2018.4.1.0 | - |
II. Public POCs for CVE-2021-20440
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-20440
请登录查看更多情报信息。
- https://www.ibm.com/support/pages/node/6430107x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-20440
IV. Related Vulnerabilities
Same vendor: IBM
- CVE-2026-1577
IBM® Db2® is vulnerable to a denial of service with a specia - CVE-2025-36122
IBM® Db2® is vulnerable to a denial of service with a specia - CVE-2025-14688
IBM® Db2® is vulnerable to a denial of service when fetching - CVE-2026-2311
IBM i is affected by a privilege escalation vulnerability in - CVE-2025-36180
Inadequate Pod Communication Restrictions, affects watsonx.d
V. Comments for CVE-2021-20440
No comments yet