How severe is CVE-2018-0440?

CVE-2018-0440 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0440?

CVE-2018-0440 affects Cisco Data Center Network Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0440?

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-2018-0440 published?

CVE-2018-0440 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-0440

CVE-2018-0440 is a high-severity vulnerability in Cisco Data Center Network Manager with a CVSS 3.x base score of 7.2. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Data Center Network Manager
Published: 2018-10-05
Last modified: 2026-06-17

Description

A vulnerability in the web interface of Cisco Data Center Network Manager could allow an authenticated application administrator to execute commands on the underlying operating system with root-level privileges. The vulnerability is due to incomplete input validation of user input within an HTTP request. An attacker could exploit this vulnerability by authenticating to the application and then sending a crafted HTTP request to the targeted application. A successful exploit could allow the authenticated attacker to issue commands on the underlying operating system as the root user.

Frequently asked questions

What is CVE-2018-0440?: A vulnerability in the web interface of Cisco Data Center Network Manager could allow an authenticated application administrator to execute commands on the underlying operating system with root-level privileges. The vulnerability is due to incomplete input validation of user input within an HTTP request. An attacker could exploit this vulnerability by authenticating to the application and then sending a crafted HTTP request to the targeted application. A successful exploit could allow the authenticated attacker to issue commands on the underlying operating system as the root user.
How severe is CVE-2018-0440?: CVE-2018-0440 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0440?: CVE-2018-0440 affects Cisco Data Center Network Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0440?: 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-2018-0440 published?: CVE-2018-0440 was published on 2018-10-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:*

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