What is CVE-2020-4889?

CVE-2020-4889 is a low-severity vulnerability in IBM Spectrum Scale. CVSS score: 3.3/10. Published 2021-01-26.

How severe is CVE-2020-4889?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in IBM Spectrum Scale

CVE-2020-4889

IBM Spectrum Scale 5.0.0 through 5.0.5.4 and 5.1.0 could allow a local user to poison log files which could impact support and development efforts. IBM X-Force ID: 190971.

Published 2021-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Spectrum Scale — versions 5.0.0, 5.0.5.4, 5.1
IBM Spectrum Scale — versions 5.1.0
Linux Kernel

References

www.ibm.com/support/pages/node/6405776 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/190971 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4889?: CVE-2020-4889 is a low-severity vulnerability in IBM Spectrum Scale. CVSS score: 3.3/10. Published 2021-01-26.
How severe is CVE-2020-4889?: Low severity. CVSS v3 base score is 3.3 out of 10.