CVE-2021-39063

Name: CVE-2021-39063
Creator: NVD / NIST
Published: 2021-12-13T19:15:08.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2021-39063 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information due to a misconfiguration in access control headers. IBM X-Force ID: 214956.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information due to a misconfiguration in access control headers. IBM X-Force ID: 214956.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.66%

46.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

Affected Software

Vendor	Product	Versions
Ibm	Spectrum Protect Plus	>= 10.1.0, < 10.1.9

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/214956VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6525346Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/214956VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6525346Patch, Vendor Advisory

Timeline

Published: Dec 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39063?

How severe is CVE-2021-39063?

CVE-2021-39063 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39063?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39063?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST