CVE-2021-20534

Name: CVE-2021-20534
Creator: NVD / NIST
Published: 2021-07-15T18:15:09.073+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.5/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-20534 is a low-severity vulnerability rated 3.5/10 on the CVSS scale. IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to conduct phishing attacks, using an open redirect attack. By persuading a victim to visit a specially crafted Web site, a remote attacker could exploit this vulnerability to spoof the URL displayed to redirect a user to a malicious Web site that would appear to be trusted. This could allow the attacker to obtain highly sensitive information or conduct further attacks against the victim. IBM X-Force ID: 198814

Metrics

CVSS 3.1

3.5/10

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

EPSS Probability

0.55%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Ibm	Security Verify Access	10.0.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/198814VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6471895Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198814VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6471895Patch, Vendor Advisory

Timeline

Published: Jul 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20534?

How severe is CVE-2021-20534?

CVE-2021-20534 has a CVSS score of 3.5/10 (LOW severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20534?

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-2021-20534?

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

Scan your code now

Source: NVD / NIST