How severe is CVE-2018-15394?

CVE-2018-15394 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15394?

CVE-2018-15394 affects Cisco Stealthwatch Enterprise. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15394?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-15394 published?

CVE-2018-15394 was published on 2018-11-08 and last updated on 2026-06-17.

CVE-2018-15394

CVE-2018-15394 is a critical-severity vulnerability in Cisco Stealthwatch Enterprise with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Cisco Stealthwatch Enterprise
Published: 2018-11-08
Last modified: 2026-06-17

Description

A vulnerability in the Stealthwatch Management Console (SMC) of Cisco Stealthwatch Enterprise could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected system. The vulnerability is due to an insecure system configuration. An attacker could exploit this vulnerability by sending a crafted HTTP request to the targeted application. An exploit could allow the attacker to gain unauthenticated access, resulting in elevated privileges in the SMC.

Frequently asked questions

What is CVE-2018-15394?: A vulnerability in the Stealthwatch Management Console (SMC) of Cisco Stealthwatch Enterprise could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected system. The vulnerability is due to an insecure system configuration. An attacker could exploit this vulnerability by sending a crafted HTTP request to the targeted application. An exploit could allow the attacker to gain unauthenticated access, resulting in elevated privileges in the SMC.
How severe is CVE-2018-15394?: CVE-2018-15394 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15394?: CVE-2018-15394 affects Cisco Stealthwatch Enterprise. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-15394 published?: CVE-2018-15394 was published on 2018-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:stealthwatch_enterprise:*:*:*:*:*:*:*:*

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