CVE-2021-20540
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could...
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could disclose sensitive information to an unauthorized user through HTTP GET requests. This information could be used in further attacks against the system. IBM X-Force ID: 198923.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could disclose sensitive information to an unauthorized user through HTTP GET requests. This information could be used in further attacks against the system. IBM X-Force ID: 198923.
- Record
CVE-2021-20540- CVSS 3.0
- 2.7 Low
CVSS:3.0/AC:L/AV:N/A:N/S:U/C:L/UI:N/PR:H/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-7958
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could disclose sensitive information to an unauthorized user through HTTP GET requests. This information could be used in further attacks against the system. IBM X-Force ID: 198923.
- Record
EUVD-2021-7958- CVSS 3.0
- 2.7 Low
CVSS:3.0/AC:L/AV:N/A:N/S:U/C:L/UI:N/PR:H/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2w94-97wx-8cvr
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could...
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could disclose sensitive information to an unauthorized user through HTTP GET requests. This information could be used in further attacks against the system. IBM X-Force ID: 198923.
- Record
GHSA-2w94-97wx-8cvr- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
IBM Cloud Pak for Security (CP4S) 1.5.0.0, 1.5.1.0, 1.6.0.0, 1.6.1.0, 1.7.0.0, and 1.7.1.0 could disclose sensitive information to an unauthorized user through HTTP GET requests. This information could be used in further attacks against the system. IBM X-Force ID: 198923.
- Record
CVE-2021-20540- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 3.0
- 2.7 Low
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - 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-2021-20540 is a low vulnerability (CVSS 2.7) in Ibm Cloud Pak For Security, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. No source names a fixed version.