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Vulnerability record · CVE-2016-6497 · published 18 January 2017

CVE-2016-6497: Apache groovy ldap vulnerability

Apache · Groovy Ldap

main/java/org/apache/directory/groovyldap/LDAP.java in the Groovy LDAP API in Apache allows attackers to conduct LDAP entry poisoning attacks by leveraging setting returnObjFlag to true for all search methods.

7.5 CVSS 3.1 High EPSS 5.7% · top 7.2% CWE-254 · CWE-254
7.5CVSS 3.1 base score, v2 5.0
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

main/java/org/apache/directory/groovyldap/LDAP.java in the Groovy LDAP API in Apache allows attackers to conduct LDAP entry poisoning attacks by leveraging setting returnObjFlag to true for all search methods.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

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

References

LinkTags
http://svn.apache.org/viewvc/directory/sandbox/szoerner/groovyldap/src/main/java/org/apache/directory/groovyldap/LDAP.ja Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/95929 Third Party AdvisoryVDB Entry
https://mail-archives.apache.org/mod_mbox/directory-users/201610.mbox/%3Cb7d7e909-a8ed-1ab4-c853-4078c1e7624a%40stefan-s Mailing ListThird Party Advisory
https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf Technical DescriptionThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html Patch
http://svn.apache.org/viewvc/directory/sandbox/szoerner/groovyldap/src/main/java/org/apache/directory/groovyldap/LDAP.ja Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/95929 Third Party AdvisoryVDB Entry
https://mail-archives.apache.org/mod_mbox/directory-users/201610.mbox/%3Cb7d7e909-a8ed-1ab4-c853-4078c1e7624a%40stefan-s Mailing ListThird Party Advisory
https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf Technical DescriptionThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html Patch

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Source: NIST National Vulnerability Database (record CVE-2016-6497), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.