CVE-2016-6497

Name: CVE-2016-6497
Creator: NVD / NIST
Published: 2017-01-18T22:59:00.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 5.73%

Last modified Jun 17, 2026

CVE-2016-6497 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 5.73% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

5.73%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-254

Affected Software

Vendor	Product	Versions
Apache	Groovy Ldap	All versions

References

http://svn.apache.org/viewvc/directory/sandbox/szoerner/groovyldap/src/main/java/org/apache/directory/groovyldap/LDAP.java?r1=1765362&r2=1765361&pathrev=1765362&view=patchMailing List, Third Party Advisory
http://www.securityfocus.com/bid/95929Third Party Advisory, VDB Entry
https://mail-archives.apache.org/mod_mbox/directory-users/201610.mbox/%3Cb7d7e909-a8ed-1ab4-c853-4078c1e7624a%40stefan-seelmann.de%3EMailing List, Third Party Advisory
https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdfTechnical Description, Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlPatch
http://svn.apache.org/viewvc/directory/sandbox/szoerner/groovyldap/src/main/java/org/apache/directory/groovyldap/LDAP.java?r1=1765362&r2=1765361&pathrev=1765362&view=patchMailing List, Third Party Advisory
http://www.securityfocus.com/bid/95929Third Party Advisory, VDB Entry
https://mail-archives.apache.org/mod_mbox/directory-users/201610.mbox/%3Cb7d7e909-a8ed-1ab4-c853-4078c1e7624a%40stefan-seelmann.de%3EMailing List, Third Party Advisory
https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdfTechnical Description, Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlPatch

Timeline

Published: Jan 18, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6497?

How severe is CVE-2016-6497?

CVE-2016-6497 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.73% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6497?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-6497?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST