Is CVE-2024-21887 in the CISA Known Exploited Vulnerabilities catalog?

CVE-2024-21887 is not currently listed in the CISA KEV catalog.

Vulnerability intelligence

CVE-2024-21887

CVE-2026-0257 bypasses authentication on PAN-OS GlobalProtect gateways. CVSS 7.8, CISA KEV listed, actively exploited across 'numerous customers' per Rapid7. FCEB agencies had until June 1 to remediate.

2024

What WebPulse reported · 1 analysis

Palo Alto GlobalProtect Auth Bypass: The VPN Guarding Your Legacy Web Stack Is Compromised.

CVE-2026-0257 bypasses authentication on PAN-OS GlobalProtect gateways. CVSS 7.8, CISA KEV listed, actively exploited across 'numerous customers' per Rapid7. FC

June 17, 2026

View CVE-2024-21887 on the NIST National Vulnerability Database →

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