How severe is CVE-2018-0391?

CVE-2018-0391 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 none, and availability high.

Is CVE-2018-0391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0391?

CVE-2018-0391 primarily affects Cisco Prime Collaboration. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0391?

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

When was CVE-2018-0391 published?

CVE-2018-0391 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2018-0391

CVE-2018-0391 is a medium-severity vulnerability in Cisco Prime Collaboration 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: 6.8
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Cisco Prime Collaboration
Published: 2018-08-01
Last modified: 2026-06-17

Description

A vulnerability in the password change function of Cisco Prime Collaboration Provisioning could allow an authenticated, remote attacker to cause the system to become inoperable. The vulnerability is due to insufficient validation of a password change request. An attacker could exploit this vulnerability by changing a specific administrator account password. A successful exploit could allow the attacker to cause the affected device to become inoperable, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco Prime Collaboration Provisioning (PCP) Releases 12.2 and prior. Cisco Bug IDs: CSCvd86586.

Frequently asked questions

What is CVE-2018-0391?: A vulnerability in the password change function of Cisco Prime Collaboration Provisioning could allow an authenticated, remote attacker to cause the system to become inoperable. The vulnerability is due to insufficient validation of a password change request. An attacker could exploit this vulnerability by changing a specific administrator account password. A successful exploit could allow the attacker to cause the affected device to become inoperable, resulting in a denial of service (DoS) condition. This vulnerability affects Cisco Prime Collaboration Provisioning (PCP) Releases 12.2 and prior. Cisco Bug IDs: CSCvd86586.
How severe is CVE-2018-0391?: CVE-2018-0391 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 none, and availability high.
Is CVE-2018-0391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0391?: CVE-2018-0391 primarily affects Cisco Prime Collaboration. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0391 published?: CVE-2018-0391 was published on 2018-08-01 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:prime_collaboration:12.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:prime_collaboration_provisioning:*:*:*:*:*:*:*:*

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