How severe is CVE-2020-4811?

CVE-2020-4811 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-4811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4811?

CVE-2020-4811 primarily affects Ibm Cloud Pak For Security. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4811?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-4811 published?

CVE-2020-4811 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2020-4811

CVE-2020-4811 is a low-severity vulnerability in Ibm Cloud Pak For Security with a CVSS 3.x base score of 2.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Cloud Pak For Security
Published: 2021-05-14
Last modified: 2026-06-17

Description

IBM Cloud Pak for Security (CP4S) 1.4.0.0, 1.5.0.0, 1.5.0.1, 1.6.0.0, and 1.6.0.1 could allow a privileged user to inject inject malicious data using a specially crafted HTTP request due to improper input validation.

Frequently asked questions

What is CVE-2020-4811?: IBM Cloud Pak for Security (CP4S) 1.4.0.0, 1.5.0.0, 1.5.0.1, 1.6.0.0, and 1.6.0.1 could allow a privileged user to inject inject malicious data using a specially crafted HTTP request due to improper input validation.
How severe is CVE-2020-4811?: CVE-2020-4811 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-4811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4811?: CVE-2020-4811 primarily affects Ibm Cloud Pak For Security. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4811?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4811 published?: CVE-2020-4811 was published on 2021-05-14 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:ibm:cloud_pak_for_security:1.4.0.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cloud_pak_for_security:1.6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cloud_pak_for_security:1.6.0.1:*:*:*:*:*:*:*

More vulnerabilities in Ibm Cloud Pak For Security

CVE-2021-20578 — Critical (CVSS 9.8): IBM Cloud Pak for Security (CP4S) 1.7.0.0, 1.7.1.0, 1.7.2.0, and 1.8.0.0 could allow an attacker to perform…
CVE-2025-25022 — Critical (CVSS 9.6): IBM QRadar Suite Software 1.10.12.0 through 1.11.2.0 and IBM Cloud Pak for Security 1.10.0.0 through 1.10.11.0 could…
CVE-2021-20538 — Critical (CVSS 9.1): 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…
CVE-2020-4627 — Critical (CVSS 9.0): IBM Cloud Pak for Security 1.3.0.1(CP4S) potentially vulnerable to CVS Injection. A remote attacker could execute…
CVE-2021-29894 — High (CVSS 7.5): IBM Cloud Pak for Security (CP4S) 1.7.0.0, 1.7.1.0, 1.7.2.0, and 1.8.0.0 uses weaker than expected cryptographic…
CVE-2025-25021 — High (CVSS 7.2): IBM QRadar Suite Software 1.10.12.0 through 1.11.2.0 and IBM Cloud Pak for Security 1.10.0.0 through 1.10.11.0 could…

All CVEs affecting Ibm Cloud Pak For Security →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →