How severe is CVE-2018-15402?

CVE-2018-15402 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-15402 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15402?

CVE-2018-15402 primarily affects Cisco Enterprise Network Virtualization Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15402?

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

When was CVE-2018-15402 published?

CVE-2018-15402 was published on 2018-10-17 and last updated on 2026-06-17.

CVE-2018-15402

CVE-2018-15402 is a medium-severity vulnerability in Cisco Enterprise Network Virtualization Software with a CVSS 3.x base score of 5.4. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 6.8
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Cisco Enterprise Network Virtualization Software
Published: 2018-10-17
Last modified: 2026-06-17

Description

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks. The vulnerability is due to improper validation of Origin headers on HTTP requests within the management interface. An attacker could exploit this vulnerability by convincing a targeted user to follow a URL to a malicious website. An exploit could allow the attacker to take actions within the software with the privileges of the targeted user or gain access to sensitive information.

Frequently asked questions

What is CVE-2018-15402?: A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks. The vulnerability is due to improper validation of Origin headers on HTTP requests within the management interface. An attacker could exploit this vulnerability by convincing a targeted user to follow a URL to a malicious website. An exploit could allow the attacker to take actions within the software with the privileges of the targeted user or gain access to sensitive information.
How severe is CVE-2018-15402?: CVE-2018-15402 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-15402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15402?: CVE-2018-15402 primarily affects Cisco Enterprise Network Virtualization Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-15402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15402 published?: CVE-2018-15402 was published on 2018-10-17 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:enterprise_network_virtualization_software:nfvis-8.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:enterprise_network_virtualization_software:nfvis-9.0:*:*:*:*:*:*:*

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