How severe is CVE-2018-0393?

CVE-2018-0393 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-0393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0393?

CVE-2018-0393 primarily affects Cisco Mobility Services Engine 3365 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0393?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-0393 published?

CVE-2018-0393 was published on 2018-07-18 and last updated on 2026-06-17.

CVE-2018-0393

CVE-2018-0393 is a medium-severity vulnerability in Cisco Mobility Services Engine 3365 Firmware with a CVSS 3.x base score of 6.5. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Cisco Mobility Services Engine 3365 Firmware
Published: 2018-07-18
Last modified: 2026-06-17

Description

A Read-Only User Effect Change vulnerability in the Policy Builder interface of Cisco Policy Suite could allow an authenticated, remote attacker to make policy changes in the Policy Builder interface. The vulnerability is due to insufficient authorization controls. An attacker could exploit this vulnerability by accessing the Policy Builder interface and modifying an HTTP request. A successful exploit could allow the attacker to make changes to existing policies. Cisco Bug IDs: CSCvi35007.

Frequently asked questions

What is CVE-2018-0393?: A Read-Only User Effect Change vulnerability in the Policy Builder interface of Cisco Policy Suite could allow an authenticated, remote attacker to make policy changes in the Policy Builder interface. The vulnerability is due to insufficient authorization controls. An attacker could exploit this vulnerability by accessing the Policy Builder interface and modifying an HTTP request. A successful exploit could allow the attacker to make changes to existing policies. Cisco Bug IDs: CSCvi35007.
How severe is CVE-2018-0393?: CVE-2018-0393 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-0393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0393?: CVE-2018-0393 primarily affects Cisco Mobility Services Engine 3365 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0393 published?: CVE-2018-0393 was published on 2018-07-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:cisco:mobility_services_engine_3365_firmware:18.0.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:mobility_services_engine_3355_firmware:18.0.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:mobility_services_engine_3310_firmware:18.0.0:*:*:*:*:*:*:*

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