CVE-2021-20423
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges...
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.
- Record
CVE-2021-20423- CVSS 3.0
- 8.8 High
CVSS:3.0/A:H/AC:L/I:H/UI:N/PR:L/C:H/AV:N/S:U/RL:O/E:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-7841
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.
- Record
EUVD-2021-7841- CVSS 3.0
- 8.8 High
CVSS:3.0/A:H/AC:L/I:H/UI:N/PR:L/C:H/AV:N/S:U/RL:O/E:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m457-r8c6-q672 No score
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges...
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.
- Record
GHSA-m457-r8c6-q672- Weakness
- CWE-732
- Updated
- 2026-11-02
NVD
IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.
- Record
CVE-2021-20423- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-732
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20423 is a high vulnerability (CVSS 8.8) in Ibm Cloud Pak For Applications, published July 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.