CVE-2020-4926

Name: CVE-2020-4926
Creator: NVD / NIST
Published: 2022-05-24T17:15:07.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2020-4926 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized access to user data or injection of arbitrary data in the communication protocol. IBM X-Force ID: 191600.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized access to user data or injection of arbitrary data in the communication protocol. IBM X-Force ID: 191600.

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

0.65%

46.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Ibm	Elastic Storage System	< 6.1.3.0
Ibm	Spectrum Scale	< 5.1.3.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/191600VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6565399Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6589109Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/191600VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6565399Patch, Vendor Advisory
https://www.ibm.com/support/pages/node/6589109Patch, Vendor Advisory

Timeline

Published: May 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4926?

How severe is CVE-2020-4926?

CVE-2020-4926 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4926?

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-2020-4926?

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

Scan your code now

Source: NVD / NIST