CR
Product
Crowd
by Atlassian · last CVE Oct 5, 2026
On CISA KEVExploited in the wildRansomware-linked
25
CVEs
2
On KEV
9.8
Max CVSS
1
New 30D
Severity mix
Critical 5High 10Medium 8Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-11580
RansomwareIn wildKEV
9.8
95%
Jun 3
Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
Affected: 2.1.0 before unspecified; before 3.0.5; 3.1.0 before unspecified; before 3.1.6; 3.2.0 before unspecified; before 3.2.8; +4 more
CVE-2026-21589
In wildKEV
7.5
99%
Oct 5
Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
Affected: 2.11.0 before 6.3.7; 7.0.0 before 7.0.3; 7.1.0 before 7.1.7; 7.2.0 before 7.2.4
CVE-2022-43782
9.8
1%
Nov 17
Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd application via security misconfiguration and subsequent ability to call privileged endpoints…
Affected: 3.0.0 before 4.4.4; 5.0.0 before 5.0.3
CVE-2022-26136
9.8
6%
Jul 20
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps
Affected: before 4.3.8; 4.4.0 before 4.4.2; 5.0.0
CVE-2016-6496
9.8
5%
Dec 9
The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted…
Affected: through 2.8.4; 2.9.0; 2.9.1
CVE-2012-2926
9.1
66%
May 22
Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8, 2.6 before 2.6.8, and 2.7 before 2.7.12; Bamboo…
Affected: before 2.0.9; 2.1 before 2.1.2; 2.2.0 before 2.2.9; 2.3.0 before 2.3.7; 2.4.0 before 2.4.1
CVE-2023-22521
8.8
1%
Nov 21
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server
Affected: 3.4.0 before 5.1.6; 5.2.0
CVE-2022-26137
8.8
2%
Jul 20
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the application processes requests…
Affected: before 4.3.8; 4.4.0 before 4.4.2; 5.0.0
CVE-2017-18105
8.1
1%
Mar 29
The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's…
Affected: before 3.0.2; 3.1.0 before 3.1.1
CVE-2018-20238
8.1
2%
Feb 13
Various rest resources in Atlassian Crowd before version 3.2.7 and from version 3.3.0 before version 3.3.4 allow remote attackers to authenticate using an expired user session via…
Affected: before 3.2.7; 3.3.0 before unspecified; before 3.3.4
CVE-2026-21569
7.9
0%
Jan 28
This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server
Affected: 7.1.0 before 7.1.3
CVE-2019-20902
7.5
1%
Oct 1
Upgrading Crowd via XML Data Transfer can reactivate a disabled user from OpenLDAP
Affected: before 3.4.6; 3.5.0 before 3.5.1
CVE-2019-20104
7.5
2%
Feb 6
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…
Affected: before 3.2.11; 3.3.0 before 3.3.8; 3.4.0 before 3.4.7; 3.5.0 before 3.5.2; 3.6.0 before 3.6.2; 3.6.3 before 3.7.1; +1 more
CVE-2017-18106
7.5
1%
Mar 29
The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different…
Affected: before 2.9.1
CVE-2017-18108
7.2
2%
Mar 29
The administration SMTP configuration resource in Atlassian Crowd before version 2.10.2 allows remote attackers with administration rights to execute arbitrary code via a JNDI…
Affected: before 2.10.2
CVE-2017-16858
6.8
1%
Jan 31
The 'crowd-application' plugin module (notably used by the Google Apps plugin) in Atlassian Crowd from version 1.5.0 before version 3.1.2 allowed an attacker to impersonate a…
Affected: 1.5.0 before 3.1.2
CVE-2017-18107
6.5
0%
Dec 17
Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and delete users & groups via a Cross-site…
Affected: before 3.1.1
CVE-2017-18110
6.5
1%
Mar 29
The administration backup restore resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers to read files from the…
Affected: before 3.0.2; 3.1.0
CVE-2017-18109
6.1
1%
Mar 29
The login resource of CrowdId in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers to redirect users to a different website…
Affected: before 3.0.2; 3.1.0
CVE-2018-20239
5.4
3%
Apr 30
Application Links before version 5.0.11, from version 5.1.0 before 5.2.10, from version 5.3.0 before 5.3.6, from version 5.4.0 before 5.4.12, and from version 6.0.0 before 6.0.4…
Affected: before 3.4.3
CVE-2020-36240
5.3
1%
Mar 1
The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within…
Affected: before 4.0.4; 4.1.0 before 4.1.2
CVE-2016-10740
4.9
1%
Jan 29
Various resources in Atlassian Crowd before version 2.10.1 allow remote attackers with administration rights to learn the passwords of configured LDAP directories by examining the…
Affected: before 2.10.1
CVE-2019-15005
4.3
1%
Nov 8
The Atlassian Troubleshooting and Support Tools plugin prior to version 1.17.2 allows an unprivileged user to initiate periodic log scans and send the results to a user-specified…
Affected: before 3.6.0
CVE-2013-3926
–
2%
Jul 1
Atlassian Crowd 2.6.3 allows remote attackers to execute arbitrary commands via unspecified vectors related to a "symmetric backdoor." NOTE: as of 20130704, the vendor could not…
Affected: 2.6.3
CVE-2013-3925
–
2%
Jul 1
Atlassian Crowd 2.5.x before 2.5.4, 2.6.x before 2.6.3, 2.3.8, and 2.4.9 allows remote attackers to read arbitrary files and send HTTP requests to intranet servers via a request…
Affected: 2.5.0; 2.5.1; 2.5.2; 2.5.3; 2.6.0; 2.6.1; +3 more
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