Improper input validation in Atlassian Crowd
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 serialized Java object, aka LDAP entry poisoning.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Atlassian Crowd — versions 2.9.0, 2.9.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jira.atlassian.com/browse/CWD-4790 (Issue Tracking)
- www.securityfocus.com/archive/1/539655/100/0/threaded (mailing-list)
- www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Mani… (Not Applicable)
- confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html (Vendor Advisory)
- www.securityfocus.com/bid/93826 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-6496?
- CVE-2016-6496 is a critical-severity vulnerability in Atlassian Crowd, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-12-09.
- How severe is CVE-2016-6496?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-6496 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.