CVE-2020-5497

Name: CVE-2020-5497
Creator: NVD / NIST
Published: 2020-01-04T03:15:10.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 2.13%

Last modified Jun 17, 2026

CVE-2020-5497 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. EPSS estimates a 2.13% chance of exploitation in the next 30 days.

Description

The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

2.13%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mitreid	Connect	<= 1.3.3

References

http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Feb/25Mailing List, Third Party Advisory
https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521Exploit, Issue Tracking, Third Party Advisory
https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497Exploit, Third Party Advisory
http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Feb/25Mailing List, Third Party Advisory
https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521Exploit, Issue Tracking, Third Party Advisory
https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497Exploit, Third Party Advisory

Timeline

Published: Jan 4, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5497?

How severe is CVE-2020-5497?

CVE-2020-5497 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.13% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5497?

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-2020-5497?

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

Scan your code now

Source: NVD / NIST