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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
ibmCNA
6.4 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.0/AV:N/PR:L/A:L/C:H/AC:H/S:U/I:L/UI:N/RC:C/RL:O/E:U
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
ibmapi_connect
2018.4.1.0 ≤
𝑥
≤ 2018.4.1.13
ibmapi_connect
10.0.0.0
𝑥
= Vulnerable software versions
References
https://exchange.xforce.ibmcloud.com/vulnerabilities/196536
https://www.ibm.com/support/pages/node/6430107
https://exchange.xforce.ibmcloud.com/vulnerabilities/196536
https://www.ibm.com/support/pages/node/6430107