CVE-2019-20104

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.
XML Entity Expansion
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
atlassianCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
atlassiancrowd
𝑥
< 3.2.11
atlassiancrowd
3.3.0 ≤
𝑥
< 3.3.8
atlassiancrowd
3.4.0 ≤
𝑥
< 3.4.7
atlassiancrowd
3.5.0 ≤
𝑥
< 3.5.2
atlassiancrowd
3.6.0 ≤
𝑥
< 3.6.2
atlassiancrowd
3.6.3 ≤
𝑥
< 3.7.1
atlassiancrowd
3.7.2 ≤
𝑥
< 4.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jira.atlassian.com/browse/CWD-5526
https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/
https://jira.atlassian.com/browse/CWD-5526
https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/