CVE-2021-20440

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

IBM API Connect versiones 10.0.0.0 y 2018.4.1.0 hasta 2018.4.1.13, no restringe el registro de miembros al destinatario previsto. Un atacante que sea un usuario válido en el registro de usuarios usado por API Manager puede usar un enlace de invitación robado y registrarse como miembro de una organización proveedora de API. IBM X-Force ID: 196536

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-03-15 CVE Published
2023-03-08 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/196536	2021-03-17
https://www.ibm.com/support/pages/node/6430107	2021-03-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ibm Search vendor "Ibm"		Api Connect Search vendor "Ibm" for product "Api Connect"				>= 2018.4.1.0 <= 2018.4.1.13 Search vendor "Ibm" for product "Api Connect" and version " >= 2018.4.1.0 <= 2018.4.1.13"		-		Affected
Ibm Search vendor "Ibm"		Api Connect Search vendor "Ibm" for product "Api Connect"				10.0.0.0 Search vendor "Ibm" for product "Api Connect" and version "10.0.0.0"		-		Affected