THREATPORT/VULNERABILITY/CVE-2025-20125
CRITICAL SEVERITY

CVE-2025-20125

Identity Services Engine vulnerability

CVSS
9.1
EPSS
16.7%
EPSS pct
97th
Exploited
No known
A vulnerability in an API of Cisco ISE could allow an authenticated, remote attacker with valid read-only credentials to obtain sensitive information, change node configurations, and restart the node. This vulnerability is due to a lack of authorization in a specific API and improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a crafted HTTP request to a specific API on the device. A successful exploit could allow the attacker to attacker to obtain information, modify system configuration, and reload the device. Note: To successfully exploit this vulnerability, the attacker must have valid read-only administrative credentials. In a single-node deployment, new devices will not be able to authenticate during the reload time.
Affected vendor
Cisco
Affected product
Identity Services Engine
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
Weakness type (CWE)
Published
2025-02-05

Risk analysis

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

Its EPSS score of 16.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2025-20125

  • Confirm whether Cisco Identity Services Engine is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-20125.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-20125

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-20125 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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