Cisco’s Security Achilles’ Heel: Critical ISE Flaw Exposed

Key points:

• Cisco has released a warning to enterprise admins of two critical security flaws in its Identity Services Engine (ISE)
• The vulnerabilities, tracked as CVE-2025-20124 and CVE-2025-20125, could allow attackers to obtain unauthorized privileges and run arbitrary commands on affected systems
• Both flaws have been given a high severity rating by Cisco, with CVSS ratings of 9.9 and 9.1 out of 10

As reported by Cisco, there are two significant security flaws that have been uncovered in its Identity Services Engine (ISE) software. The first flaw, designated as CVE-2025-20124, has been assessed as having a CVSS (Common Vulnerability Scoring System) rating of 9.9 out of 10. This indicates an extremely high potential for exploitation by attackers.

In addition to CVE-2025-20124, Cisco is also warning administrators of a second flaw, numbered CVE-2025-20125, with a CVSS rating of 9.1 out of 10. Like the first issue, this security vulnerability has significant potential for adverse impact if an attacker were able to exploit it.

Detailed Analysis:
The two bugs, CVE-2025-20124 and CVE-2025-20125, reportedly reside within Cisco’s Identity Services Engine (ISE) software and could allow threat actors to break into the security system and launch malicious attacks against the network infrastructure. According to Cisco, it is crucial to patch these critical vulnerabilities as rapidly as possible in order to stop potential attacks.

Microsoft users and Azure Integration:
Considering the fact that Microsoft’s technology is deeply entrenched in the company’s offerings as well as infrastructure, it comes as no shock that the influence of these breaches could be tremendous. In scenarios where Cisco equipment is used side-by-side with Microsoft products within a network and Azure is accessed, the level of vulnerability risk is amplified dramatically.

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