How severe is CVE-2017-5187?

CVE-2017-5187 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-5187 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5187?

CVE-2017-5187 primarily affects Microfocus Directory Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5187?

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-2017-5187 published?

CVE-2017-5187 was published on 2017-08-21 and last updated on 2026-06-17.

CVE-2017-5187

CVE-2017-5187 is a high-severity vulnerability in Microfocus Directory Server with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Microfocus Directory Server
Published: 2017-08-21
Last modified: 2026-06-17

Description

A Cross-Site Request Forgery (CWE-352) vulnerability in Directory Server (aka Enterprise Server Administration web UI) in Micro Focus Enterprise Developer and Enterprise Server 2.3 and earlier, 2.3 Update 1 before Hotfix 8, and 2.3 Update 2 before Hotfix 9 allows remote unauthenticated attackers to view and alter (CWE-275) configuration information and inject OS commands (CWE-78) via forged requests.

Frequently asked questions

What is CVE-2017-5187?: A Cross-Site Request Forgery (CWE-352) vulnerability in Directory Server (aka Enterprise Server Administration web UI) in Micro Focus Enterprise Developer and Enterprise Server 2.3 and earlier, 2.3 Update 1 before Hotfix 8, and 2.3 Update 2 before Hotfix 9 allows remote unauthenticated attackers to view and alter (CWE-275) configuration information and inject OS commands (CWE-78) via forged requests.
How severe is CVE-2017-5187?: CVE-2017-5187 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5187 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5187?: CVE-2017-5187 primarily affects Microfocus Directory Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5187?: 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-2017-5187 published?: CVE-2017-5187 was published on 2017-08-21 and last updated on 2026-06-17.

References

https://community.microfocus.com/microfocus/mainframe_solutions/enterprise_server/w/knowledge_base/29131/enterprise-server-security-fixes-july-2017

Affected products (8)

cpe:2.3:a:microfocus:directory_server:-:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:2.3:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:2.3:update1:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_developer:2.3:update2:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:*:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:2.3:update1:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server:2.3:update2:*:*:*:*:*:*
cpe:2.3:a:microfocus:enterprise_server_monitor_and_control:-:*:*:*:*:*:*:*

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