What is CVE-2020-4631?

CVE-2020-4631 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2020-08-04.

How severe is CVE-2020-4631?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in IBM Spectrum Protect Plus

CVE-2020-4631

IBM Spectrum Protect Plus 10.1.0 through 10.1.6 agent files, in non-default configurations, on Windows are assigned access to everyone with full control permissions, which could allow a local user to cause interruption of the service operations. IBM X-Force ID: 185372.

Published 2020-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM Spectrum Protect Plus — versions 10.1.0, 10.1.6
IBM Spectrum Protect Plus
Microsoft Windows

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

www.ibm.com/support/pages/node/6255116 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/185372 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4631?: CVE-2020-4631 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2020-08-04.
How severe is CVE-2020-4631?: Medium severity. CVSS v3 base score is 5.5 out of 10.