How severe is CVE-2019-11666?

CVE-2019-11666 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-2019-11666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11666?

CVE-2019-11666 affects Microfocus Service Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11666?

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-2019-11666 published?

CVE-2019-11666 was published on 2019-09-17 and last updated on 2026-06-17.

CVE-2019-11666

CVE-2019-11666 is a high-severity vulnerability in Microfocus Service Manager 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Microfocus Service Manager
Published: 2019-09-17
Last modified: 2026-06-17

Description

Insecure deserialization of untrusted data in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51, 9.52, 9.60, 9.61, 9.62. The vulnerability could be exploited to allow insecure deserialization of untrusted data.

Frequently asked questions

What is CVE-2019-11666?: Insecure deserialization of untrusted data in Micro Focus Service Manager product versions 9.30, 9.31, 9.32, 9.33, 9.34, 9.35, 9.40, 9.41, 9.50, 9.51, 9.52, 9.60, 9.61, 9.62. The vulnerability could be exploited to allow insecure deserialization of untrusted data.
How severe is CVE-2019-11666?: CVE-2019-11666 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-2019-11666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11666?: CVE-2019-11666 affects Microfocus Service Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11666?: 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-2019-11666 published?: CVE-2019-11666 was published on 2019-09-17 and last updated on 2026-06-17.

References

https://softwaresupport.softwaregrp.com/doc/KM03518316

Affected products (1)

cpe:2.3:a:microfocus:service_manager:*:*:*:*:*:*:*:*

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