How severe is CVE-2020-4981?

CVE-2020-4981 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-4981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4981?

CVE-2020-4981 affects Ibm Spectrum Scale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4981?

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

When was CVE-2020-4981 published?

CVE-2020-4981 was published on 2021-04-27 and last updated on 2026-06-17.

CVE-2020-4981

CVE-2020-4981 is a medium-severity vulnerability in Ibm Spectrum Scale with a CVSS 3.x base score of 6.0. 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: Medium (CVSS 3.x base score 6.0)
CVSS v2: 3.6
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Spectrum Scale
Published: 2021-04-27
Last modified: 2026-06-17

Description

IBM Spectrum Scale 5.0.4.1 through 5.1.0.3 could allow a local privileged user to overwrite files due to improper input validation. IBM X-Force ID: 192541.

Frequently asked questions

What is CVE-2020-4981?: IBM Spectrum Scale 5.0.4.1 through 5.1.0.3 could allow a local privileged user to overwrite files due to improper input validation. IBM X-Force ID: 192541.
How severe is CVE-2020-4981?: CVE-2020-4981 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-4981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4981?: CVE-2020-4981 affects Ibm Spectrum Scale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4981 published?: CVE-2020-4981 was published on 2021-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:spectrum_scale:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Spectrum Scale

CVE-2020-4926 — Critical (CVSS 9.1): A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized…
CVE-2020-4242 — High (CVSS 8.8): IBM Spectrum Scale and IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote authenticated attacker to…
CVE-2020-4241 — High (CVSS 8.8): IBM Spectrum Scale and IBM Spectrum Protect Plus 10.1.0 through 10.1.5 could allow a remote authenticated attacker to…
CVE-2019-4715 — High (CVSS 8.8): IBM Spectrum Scale 4.2 and 5.0 could allow a remote authenticated attacker to execute arbitrary commands on the system.…
CVE-2021-29740 — High (CVSS 7.8): IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.3 system core component is affected by a format string…
CVE-2021-29667 — High (CVSS 7.8): IBM Spectrum Scale 5.0.0 through 5.0.5.6 and 5.1.0 through 5.1.0.2 is potentially vulnerable to CSV Injection. A remote…

All CVEs affecting Ibm Spectrum Scale →

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 →