CVE-2019-20104

Description

The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.

Affected products

• Atlassian / Crowdunspecified – 3.6.2
• Atlassian / Crowd3.7.0 – unspecified
• Atlassian / Crowdunspecified – 3.7.1

References

• MISChttps://jira.atlassian.com/browse/CWD-5526
• MISChttps://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/