How severe is CVE-2018-15427?

CVE-2018-15427 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-2018-15427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15427?

CVE-2018-15427 primarily affects Cisco Video Surveillance Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15427?

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-2018-15427 published?

CVE-2018-15427 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-15427

CVE-2018-15427 is a critical-severity vulnerability in Cisco Video Surveillance Manager 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Cisco Video Surveillance Manager
Published: 2018-10-05
Last modified: 2026-06-17

Description

A vulnerability in Cisco Video Surveillance Manager (VSM) Software running on certain Cisco Connected Safety and Security Unified Computing System (UCS) platforms could allow an unauthenticated, remote attacker to log in to an affected system by using the root account, which has default, static user credentials. The vulnerability is due to the presence of undocumented, default, static user credentials for the root account of the affected software on certain systems. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and execute arbitrary commands as the root user.

Frequently asked questions

What is CVE-2018-15427?: A vulnerability in Cisco Video Surveillance Manager (VSM) Software running on certain Cisco Connected Safety and Security Unified Computing System (UCS) platforms could allow an unauthenticated, remote attacker to log in to an affected system by using the root account, which has default, static user credentials. The vulnerability is due to the presence of undocumented, default, static user credentials for the root account of the affected software on certain systems. An attacker could exploit this vulnerability by using the account to log in to an affected system. A successful exploit could allow the attacker to log in to the affected system and execute arbitrary commands as the root user.
How severe is CVE-2018-15427?: CVE-2018-15427 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-2018-15427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15427?: CVE-2018-15427 primarily affects Cisco Video Surveillance Manager. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-15427?: 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-2018-15427 published?: CVE-2018-15427 was published on 2018-10-05 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:cisco:video_surveillance_manager:7.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:video_surveillance_manager:7.11:*:*:*:*:*:*:*
cpe:2.3:a:cisco:video_surveillance_manager:7.11.1:*:*:*:*:*:*:*

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