How severe is CVE-2018-0376?

CVE-2018-0376 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-2018-0376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0376?

CVE-2018-0376 primarily affects Cisco Mobility Services Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0376?

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-2018-0376 published?

CVE-2018-0376 was published on 2018-07-18 and last updated on 2026-06-17.

CVE-2018-0376

CVE-2018-0376 is a critical-severity vulnerability in Cisco Mobility Services Engine 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Cisco Mobility Services Engine
Published: 2018-07-18
Last modified: 2026-06-17

Description

A vulnerability in the Policy Builder interface of Cisco Policy Suite before 18.2.0 could allow an unauthenticated, remote attacker to access the Policy Builder interface. The vulnerability is due to a lack of authentication. An attacker could exploit this vulnerability by accessing the Policy Builder interface. A successful exploit could allow the attacker to make changes to existing repositories and create new repositories. Cisco Bug IDs: CSCvi35109.

Frequently asked questions

What is CVE-2018-0376?: A vulnerability in the Policy Builder interface of Cisco Policy Suite before 18.2.0 could allow an unauthenticated, remote attacker to access the Policy Builder interface. The vulnerability is due to a lack of authentication. An attacker could exploit this vulnerability by accessing the Policy Builder interface. A successful exploit could allow the attacker to make changes to existing repositories and create new repositories. Cisco Bug IDs: CSCvi35109.
How severe is CVE-2018-0376?: CVE-2018-0376 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-2018-0376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0376?: CVE-2018-0376 primarily affects Cisco Mobility Services Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0376?: 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-2018-0376 published?: CVE-2018-0376 was published on 2018-07-18 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:mobility_services_engine:18.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:policy_suite:*:*:*:*:*:*:*:*

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