How severe is CVE-2018-15591?

CVE-2018-15591 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15591 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-2018-15591?

CVE-2018-15591 affects Ivanti Workspace Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15591?

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-2018-15591 published?

CVE-2018-15591 was published on 2018-10-15 and last updated on 2026-06-17.

CVE-2018-15591

CVE-2018-15591 is a high-severity vulnerability in Ivanti Workspace Control with a CVSS 3.x base score of 7.8. 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-668.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Ivanti Workspace Control
Published: 2018-10-15
Last modified: 2026-06-17

Description

An issue was discovered in Ivanti Workspace Control before 10.3.10.0 and RES One Workspace. A local authenticated user can bypass Application Whitelisting restrictions to execute arbitrary code by leveraging multiple unspecified attack vectors.

Frequently asked questions

What is CVE-2018-15591?: An issue was discovered in Ivanti Workspace Control before 10.3.10.0 and RES One Workspace. A local authenticated user can bypass Application Whitelisting restrictions to execute arbitrary code by leveraging multiple unspecified attack vectors.
How severe is CVE-2018-15591?: CVE-2018-15591 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15591 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-2018-15591?: CVE-2018-15591 affects Ivanti Workspace Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15591?: 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-2018-15591 published?: CVE-2018-15591 was published on 2018-10-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ivanti:workspace_control:*:*:*:*:*:*:*:*

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