Vulnerability Details : CVE-2021-20440
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.
Products affected by CVE-2021-20440
- cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:api_connect:10.0.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20440
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20440
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L |
1.6
|
4.7
|
IBM Corporation | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
References for CVE-2021-20440
-
https://www.ibm.com/support/pages/node/6430107
Security Bulletin: IBM API Connect's API Manager is vulnerable to invitation and registration link tampering (CVE-2021-20440)Vendor Advisory
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/196536
IBM API Connect information disclosure CVE-2021-20440 Vulnerability ReportVDB Entry;Vendor Advisory
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