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Vulnerability record · CVE-2017-18105 · published 29 March 2019

CVE-2017-18105: Atlassian crowd vulnerability

Atlassian · Crowd

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 JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a session fixation vulnerability.

8.1 CVSS 3.0 High EPSS 1.4% · top 28.1% CWE-384 · CWE-384
8.1CVSS 3.0 base score, v2 6.8
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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 JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a session fixation vulnerability.

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jira.atlassian.com/browse/CWD-5072 Issue TrackingVendor Advisory
https://jira.atlassian.com/browse/CWD-5072 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-11580Atlassian Crowd pdkinstall plugin allows unauthenticated remote code executionAtlassian Crowd and Crowd Data Center shipped release builds with the pdkinstall development plugin incorrectly enabled. An attacker who can reach th…KEVEPSS 95%analysed9.8CVE-2022-43782Atlassian crowd vulnerabilityAffected versions of Atlassian Crowd allow an attacker to authenticate as the crowd application via security misconfiguration and subsequent ability …EPSS 0.95%9.8CVE-2022-26136Atlassian bamboo improper authentication vulnerabilityA vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps…EPSS 5.4%9.8CVE-2016-6496Atlassian crowd improper input validation vulnerabilityThe 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 att…EPSS 4.7%9.1CVE-2012-2926Atlassian JIRA and related products XML parser file read and DoSMultiple Atlassian products (JIRA, Confluence, FishEye, Crucible, Bamboo, Crowd) fail to properly restrict the capabilities of third-party XML parser…EPSS 66%analysed8.8CVE-2023-22521Atlassian crowd vulnerabilityThis High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server. This RCE (Remote Code E…EPSS 1.2%8.8CVE-2022-26137Atlassian bamboo origin validation error vulnerabilityA vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the a…EPSS 2.3%8.1CVE-2018-20238Atlassian crowd vulnerabilityVarious 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 usi…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2017-18105), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.