How severe is CVE-2018-15380?

CVE-2018-15380 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15380 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15380?

CVE-2018-15380 primarily affects Cisco Hyperflex Hx Data Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15380?

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-2018-15380 published?

CVE-2018-15380 was published on 2019-02-20 and last updated on 2026-06-17.

CVE-2018-15380

CVE-2018-15380 is a high-severity vulnerability in Cisco Hyperflex Hx Data Platform 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cisco Hyperflex Hx Data Platform
Published: 2019-02-20
Last modified: 2026-06-17

Description

A vulnerability in the cluster service manager of Cisco HyperFlex Software could allow an unauthenticated, adjacent attacker to execute commands as the root user. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting to the cluster service manager and injecting commands into the bound process. A successful exploit could allow the attacker to run commands on the affected host as the root user. This vulnerability affects Cisco HyperFlex Software releases prior to 3.5(2a).

Frequently asked questions

What is CVE-2018-15380?: A vulnerability in the cluster service manager of Cisco HyperFlex Software could allow an unauthenticated, adjacent attacker to execute commands as the root user. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting to the cluster service manager and injecting commands into the bound process. A successful exploit could allow the attacker to run commands on the affected host as the root user. This vulnerability affects Cisco HyperFlex Software releases prior to 3.5(2a).
How severe is CVE-2018-15380?: CVE-2018-15380 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15380 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15380?: CVE-2018-15380 primarily affects Cisco Hyperflex Hx Data Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-15380?: 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-2018-15380 published?: CVE-2018-15380 was published on 2019-02-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:hyperflex_hx_data_platform:3.0\(1a\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:hyperflex_hx_data_platform:3.5\(1a\):*:*:*:*:*:*:*

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