Citrix Crisis: New Zero-Day Exploit Sparks Security Frenzy!
Citrix has issued an emergency patch for CVE-2025-6543, a critical vulnerability in NetScaler ADC and Gateway. Dubbed “CitrixBleed 2,” the bug was exploited as a zero-day, causing miscreants to do more than just denial-of-service attacks. Organizations are urged to patch immediately to prevent further exploitation.
Hot Take:
Citrix is out here playing an endless game of whack-a-mole with their vulnerabilities, and it seems the moles are winning. Seriously, Citrix, maybe it’s time to call in some pest control because these security bugs are multiplying faster than a rabbit family reunion.
Key Points:
- Citrix issued an emergency patch for a new critical vulnerability, CVE-2025-6543, with a severity score of 9.2.
- The vulnerability affects NetScaler ADC and NetScaler Gateway in specific versions, and it was exploited as a zero-day before the patch release.
- Security experts warn that devices may already be backdoored, and merely patching may not fully mitigate the risk.
- Citrix also faces scrutiny over an earlier vulnerability, CVE-2025-5777, which remains a potential threat.
- Organizations are urged to update their systems and terminate active sessions to prevent exploitation.
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