How severe is CVE-2021-39052?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in IBM Spectrum Copy Data Management

CVE-2021-39052

IBM Spectrum Copy Data Management 2.2.13 and earlier could allow a remote attacker to access the Spring Boot console without authorization. IBM X-Force ID: 214523.

Published 2021-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.012 · change: +0.000

Affected products

IBM Spectrum Copy Data Management — versions 2.2.13
IBM Spectrum Copy Data Management
Linux Kernel

References

www.ibm.com/support/pages/node/6525554 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/214523 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39052?: CVE-2021-39052 is a critical-severity vulnerability in IBM Spectrum Copy Data Management. CVSS score: 9.8/10. Published 2021-12-13.
How severe is CVE-2021-39052?: Critical severity. CVSS v3 base score is 9.8 out of 10.