CVE-2017-3791

Cisco Prime Home vulnerability

CVSS

10.0

EPSS

4.1%

EPSS pct

90th

Exploited

No known

A vulnerability in the web-based GUI of Cisco Prime Home could allow an unauthenticated, remote attacker to bypass authentication and execute actions with administrator privileges. The vulnerability is due to a processing error in the role-based access control (RBAC) of URLs. An attacker could exploit this vulnerability by sending API commands via HTTP to a particular URL without prior authentication. An exploit could allow the attacker to perform any actions in Cisco Prime Home with administrator privileges. This vulnerability affects Cisco Prime Home versions from 6.3.0.0 to the first fixed release 6.5.0.1. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. Cisco Bug IDs: CSCvb49837.

Affected vendor

Cisco

Affected product

Cisco Prime Home

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness type (CWE)

CWE-287 — Improper Authentication

Published

2017-02-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2017-3791

Confirm whether Cisco Cisco Prime Home is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-3791.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-3791

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-3791 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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