CVE-2021-20577
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This...
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
- Record
CVE-2021-20577- CVSS 3.0
- 4.3 Medium
CVSS:3.0/PR:N/AC:H/AV:A/I:L/C:L/UI:R/A:N/S:C/RC:C/RL:O/E:H - Updated
- 2026-11-02
EUVDEUVD-2021-7995
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
- Record
EUVD-2021-7995- CVSS 3.0
- 4.3 Medium
CVSS:3.0/PR:N/AC:H/AV:A/I:L/C:L/UI:R/A:N/S:C/RC:C/RL:O/E:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-prqw-hw6q-8hq7 No score
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This...
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
- Record
GHSA-prqw-hw6q-8hq7- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 199281.
- Record
CVE-2021-20577- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- 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-2021-20577 is a medium vulnerability (CVSS 4.3) in Ibm Cloud Pak For Security, published May 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.