CVE-2021-20377

Name: CVE-2021-20377
Creator: NVD / NIST
Published: 2021-09-23T17:15:11.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.7/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2021-20377 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. IBM Security Guardium 11.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

IBM Security Guardium 11.3 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 195569.

Metrics

CVSS 3.1

2.7/10

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

EPSS Probability

0.94%

56.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Ibm	Security Guardium	11.3

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/195569VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6491125Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/195569VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6491125Patch, Vendor Advisory

Timeline

Published: Sep 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20377?

How severe is CVE-2021-20377?

CVE-2021-20377 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20377?

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-2021-20377?

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

Scan your code now

Source: NVD / NIST