How severe is CVE-2018-0427?

CVE-2018-0427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0427?

CVE-2018-0427 affects Cisco Application Policy Infrastructure Controller Enterprise Module. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0427?

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-2018-0427 published?

CVE-2018-0427 was published on 2018-08-15 and last updated on 2026-06-17.

CVE-2018-0427

CVE-2018-0427 is a high-severity vulnerability in Cisco Application Policy Infrastructure Controller Enterprise Module 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: 9.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cisco Application Policy Infrastructure Controller Enterprise Module
Published: 2018-08-15
Last modified: 2026-06-17

Description

A vulnerability in the CronJob scheduler API of Cisco Digital Network Architecture (DNA) Center could allow an authenticated, remote attacker to perform a command injection attack. The vulnerability is due to incorrect input validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious packet. A successful exploit could allow the attacker to execute arbitrary commands with root privileges. Cisco Bug IDs: CSCvi42263.

Frequently asked questions

What is CVE-2018-0427?: A vulnerability in the CronJob scheduler API of Cisco Digital Network Architecture (DNA) Center could allow an authenticated, remote attacker to perform a command injection attack. The vulnerability is due to incorrect input validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious packet. A successful exploit could allow the attacker to execute arbitrary commands with root privileges. Cisco Bug IDs: CSCvi42263.
How severe is CVE-2018-0427?: CVE-2018-0427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0427?: CVE-2018-0427 affects Cisco Application Policy Infrastructure Controller Enterprise Module. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0427?: 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-2018-0427 published?: CVE-2018-0427 was published on 2018-08-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:application_policy_infrastructure_controller_enterprise_module:dnac1.1:*:*:*:*:*:*:*

More vulnerabilities in Cisco Application Policy Infrastructure Controller Enterprise Module

CVE-2017-12262 — High (CVSS 8.8): A vulnerability within the firewall configuration of the Cisco Application Policy Infrastructure Controller Enterprise…
CVE-2016-1365 — High (CVSS 8.8): The Grapevine update process in Cisco Application Policy Infrastructure Controller Enterprise Module (APIC-EM) 1.0…
CVE-2018-0368 — High (CVSS 7.8): A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an authenticated, local attacker to…
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