How severe is CVE-2018-18591?

CVE-2018-18591 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-18591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18591?

CVE-2018-18591 primarily affects Microfocus Service Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18591 published?

CVE-2018-18591 was published on 2018-11-13 and last updated on 2026-06-17.

CVE-2018-18591

CVE-2018-18591 is a medium-severity vulnerability in Microfocus Service Manager with a CVSS 3.x base score of 6.8. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microfocus Service Manager
Published: 2018-11-13
Last modified: 2026-06-17

Description

A potential unauthorized disclosure of data vulnerability has been identified in Micro Focus Service Manager versions: 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51. The vulnerability could be exploited to release unauthorized disclosure of data.

Frequently asked questions

What is CVE-2018-18591?: A potential unauthorized disclosure of data vulnerability has been identified in Micro Focus Service Manager versions: 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51. The vulnerability could be exploited to release unauthorized disclosure of data.
How severe is CVE-2018-18591?: CVE-2018-18591 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-18591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18591?: CVE-2018-18591 primarily affects Microfocus Service Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18591 published?: CVE-2018-18591 was published on 2018-11-13 and last updated on 2026-06-17.

References

https://softwaresupport.softwaregrp.com/document/-/facetsearch/document/KM03286176

Affected products (10)

cpe:2.3:a:microfocus:service_manager:9.30:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.31:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.32:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.33:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.34:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.35:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.40:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.41:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.50:*:*:*:*:*:*:*
cpe:2.3:a:microfocus:service_manager:9.51:*:*:*:*:*:*:*

More vulnerabilities in Microfocus Service Manager

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