What is CVE-2020-4477?

CVE-2020-4477 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.5/10. Published 2020-06-15.

How severe is CVE-2020-4477?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in IBM Spectrum Protect Plus

CVE-2020-4477

IBM Spectrum Protect Plus 10.1.0 through 10.1.5 discloses highly sensitive information in plain text in the virgo log file which could be used in further attacks against the system. IBM X-Force ID: 181779.

Published 2020-06-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

IBM Spectrum Protect Plus — versions 10.1.0, 10.1.5
IBM Spectrum Protect Plus

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.ibm.com/support/pages/node/6221388 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/181779 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4477?: CVE-2020-4477 is a medium-severity vulnerability in IBM Spectrum Protect Plus, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.5/10. Published 2020-06-15.
How severe is CVE-2020-4477?: Medium severity. CVSS v3 base score is 6.5 out of 10.