CVE-2016-6496
9.8
CRITICAL · CVSS 3.0 · EPSS 4.7% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.71% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-12-09 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| atlassian | crowd |
References
- http://www.securityfocus.com/archive/1/539655/100/0/threaded
- http://www.securityfocus.com/bid/93826
- https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html
- https://jira.atlassian.com/browse/CWD-4790
- https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf
- http://www.securityfocus.com/archive/1/539655/100/0/threaded
- http://www.securityfocus.com/bid/93826
- https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html
- https://jira.atlassian.com/browse/CWD-4790
- https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf
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