Cisco’s Perfect 10: Patch Now or Dance with the Cyber Devils!
Cisco has issued a patch for a critical CVE-2025-20337 bug in its Identity Services Engine, scoring a dreaded perfect 10 on the vulnerability severity scale. This flaw could let attackers play system overlord. No known exploits yet, but let’s face it, hackers can’t resist an open invitation to wreak havoc. Patch now!

Hot Take:
In what feels like an unfortunate remix of a Cisco disco, the tech giant is spinning out another critically acclaimed vulnerability hit. It’s a CVSS 10 out of 10 party, folks, but this time it’s not the kind of perfect score you’d want to hang on your wall. Cisco’s Identity Services Engine is the latest dance floor for hackers, and let’s just say, they’re not there for the music. Patch now, or risk having unauthorized hackers crashing your network party with root access in tow!
Key Points:
- Cisco’s Identity Services Engine and ISE Passive Identity Connector are vulnerable to a critical bug.
- The vulnerability allows an unauthenticated, remote attacker to execute arbitrary code with root privileges.
- There are no workarounds; affected systems require immediate patching.
- The flaw, CVE-2025-20337, is a 10 out of 10 on the CVSS scale, indicating maximum severity.
- Security researchers from Trend Micro and GMO Cybersecurity were credited for the discovery.