Critical severity · published Dec 9, 2016
CVE-2016-6496
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…
9.8
CVSS
4.7%
EPSS
No
On KEV
Description
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 serialized Java object, aka LDAP entry poisoning.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Crowd · Atlassian
through 2.8.4; 2.9.0; 2.9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6496
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6496
www.securityfocus.com
http://www.securityfocus.com/archive/1/539655/100/0/threaded
Third Party Advisory
http://www.securityfocus.com/bid/93826
Vendor Advisory
https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html
Issue Tracking
https://jira.atlassian.com/browse/CWD-4790
Not Applicable
https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf
More from Crowd
9.8
CVE-2019-11580
Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
7.5
CVE-2026-21589
Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
9.8
CVE-2022-43782
Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd application via security misconfiguration and subsequent ability to call privileged endpoints…
9.8
CVE-2022-26136
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps
9.1
CVE-2012-2926
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…
