CVE-2019-20104

CVE Database · CVE-2019-20104

CVE-2019-20104

· HIGHModified

CVSS v3.1

7.5

EPSS

2.43%

Published

Feb 6, 2020

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

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

Weaknesses (CWE)

CWE-776

Affected Products (7)

atlassian · crowd (up to 3.2.11)vulnerable

atlassian · crowd (up to 3.3.8)vulnerable

atlassian · crowd (up to 3.4.7)vulnerable

atlassian · crowd (up to 3.5.2)vulnerable

atlassian · crowd (up to 3.6.2)vulnerable

atlassian · crowd (up to 3.7.1)vulnerable

atlassian · crowd (up to 4.0.0)vulnerable

References (4)

https://jira.atlassian.com/browse/CWD-5526

Vendor Advisory

https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/

ExploitTechnical Description

https://jira.atlassian.com/browse/CWD-5526

Vendor Advisory

https://zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/

ExploitTechnical Description

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