Vulnerability Details : CVE-2021-20538
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 could allow a user to obtain sensitive information or perform actions they should not have access to due to incorrect authorization mechanisms. IBM X-Force ID: 198919.
Exploit prediction scoring system (EPSS) score for CVE-2021-20538
Probability of exploitation activity in the next 30 days: 0.15%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 51 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-20538
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST |
|
4.8
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
2.2
|
2.5
|
IBM Corporation |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2021-20538
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20538
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/198919
IBM Cloud Pak for Security information disclosure CVE-2021-20538 Vulnerability ReportVDB Entry;Vendor Advisory
-
https://www.ibm.com/support/pages/node/6450849
Security Bulletin: IBM Cloud Pak for Security is vulnerable to CVE-2021-20538 and CVE-2021-20577Vendor Advisory
Products affected by CVE-2021-20538
- cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:cloud_pak_for_security:1.5.0.1:*:*:*:*:*:*:*