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TI-2016-05568 Aliases CVE-2016-6496GHSA-gqpx-798c-8554

The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5…

Priority MEDIUM 50CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.04705 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*up to 2.8.4VulnerableAtlassian
cpe:2.3:a:atlassian:crowd:2.9.0:*:*:*:*:*:*:*2.9.0VulnerableAtlassian
cpe:2.3:a:atlassian:crowd:2.9.1:*:*:*:*:*:*:*2.9.1VulnerableAtlassian
  • cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:* Versions up to 2.8.4 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:crowd:2.9.0:*:*:*:*:*:*:* Versions 2.9.0 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:crowd:2.9.1:*:*:*:*:*:*:* Versions 2.9.1 Vulnerable ·Atlassian

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6496
  2. 2026-10-03 Alias added: GHSA-gqpx-798c-8554

References

  • TI-2019-08653 Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
  • TI-2012-02540 Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before… CVSS 3.1CRITICAL 9.1
  • TI-2022-09598 Improper authentication in Atlassian Bamboo Server CVSS 3.1CRITICAL 9.8
  • TI-2022-21516 Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd… CVSS 3.1CRITICAL 9.8
  • TI-2022-09599 Origin validation error in Atlassian Bamboo Server CVSS 3.1HIGH 8.8
See all 24 →

Sources