CVE-2016-6497

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation6% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

January 18, 2017

Last Modified

June 17, 2026

References (10)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 135 total refreshes for this CVE.

  1. 2026-09-18 19:22 UTCEPSS rescore
  2. 2026-09-17 19:22 UTCEPSS rescore
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  1. 2026-08-11 13:36 UTCEPSS rescore
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  18. 2026-07-23 01:23 UTCEG score recompute
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  20. 2026-07-22 14:04 UTCEPSS rescore
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  50. 2026-06-30 23:19 UTCEPSS rescore
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  52. 2026-06-28 14:04 UTCEPSS rescore
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  73. 2026-06-13 22:57 UTCEPSS rescore
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  75. 2026-06-12 23:09 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2016-6497?
CVE-2016-6497 is a high vulnerability published on January 18, 2017. 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.
When was CVE-2016-6497 disclosed?
CVE-2016-6497 was first published in the National Vulnerability Database on January 18, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-6497 actively exploited?
CVE-2016-6497 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 7.3% of all scored CVEs.
What is the CVSS score of CVE-2016-6497?
CVE-2016-6497 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2016-6497?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-6497, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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