How severe is CVE-2016-9166?

CVE-2016-9166 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-9166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9166?

CVE-2016-9166 primarily affects Microfocus Netiq Edirectory. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9166?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-9166 published?

CVE-2016-9166 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2016-9166

CVE-2016-9166 is a high-severity vulnerability in Microfocus Netiq Edirectory with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microfocus Netiq Edirectory
Published: 2019-03-21
Last modified: 2026-06-17

Description

NetIQ eDirectory versions prior to 9.0.2, under some circumstances, could be susceptible to downgrade of communication security.

Frequently asked questions

What is CVE-2016-9166?: NetIQ eDirectory versions prior to 9.0.2, under some circumstances, could be susceptible to downgrade of communication security.
How severe is CVE-2016-9166?: CVE-2016-9166 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-9166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9166?: CVE-2016-9166 primarily affects Microfocus Netiq Edirectory. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-9166 published?: CVE-2016-9166 was published on 2019-03-21 and last updated on 2026-06-17.

References

https://www.netiq.com/documentation/edirectory-9/edirectory902_releasenotes/data/edirectory902_releasenotes.html

Affected products (3)

cpe:2.3:a:microfocus:netiq_edirectory:*:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_edirectory:9.0:-:*:*:*:*:*:*
cpe:2.3:a:microfocus:netiq_edirectory:9.0:sp1:*:*:*:*:*:*

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