Vulnerability · Published Jan 4, 2020 · Assigned by mitre

CVE-2020-5497

Medium 6.1

In plain English

A medium-severity security flaw in the org.mitre:openid-connect-server package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS NVD)6.1Medium

Exploit odds (30 days)2.1%top 17.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.mitre:openid-connect-server	no fix listed	GHSA-c2h6-7gm8-cv4w

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521 x_refsource_MISC
https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497 x_refsource_MISC
20200227 CVE-2020-5497 - MITREid Connect XSS mailing-list, x_refsource_FULLDISC
http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.html x_refsource_MISC