CVE-2021-20543

Name: CVE-2021-20543
Creator: NVD / NIST
Published: 2022-06-24T17:15:08.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2021-20543 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site. IBM X-Force ID: 198929.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.59%

43.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ibm	Jazz Team Server	6.0.6
Ibm	Jazz Team Server	6.0.6.1
Ibm	Jazz Team Server	7.0
Ibm	Jazz Team Server	7.0.1
Ibm	Jazz Team Server	7.0.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/198929VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6597515Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198929VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6597515Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-20543?

How severe is CVE-2021-20543?

CVE-2021-20543 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20543?

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-2021-20543?

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

Scan your code now

Source: NVD / NIST