Actively exploited 0-days in Ivanti VPN are letting hackers backdoor networks

Unknown threat actors are actively targeting two critical zero-day vulnerabilities that allow them to bypass two-factor authentication and execute malicious code inside networks that use a widely used virtual private network appliance sold by Ivanti, researchers said Wednesday.

Ivanti reported bare-bones details concerning the zero-days in posts published on Wednesday that urged customers to follow mitigation guidance immediately. Tracked as CVE-2023-846805 and CVE-2024-21887, they reside in Ivanti Connect Secure, a VPN appliance often abbreviated as ICS. Formerly known as Pulse Secure, the widely used VPN has harbored previous zero-days in recent years that came under widespread exploitation, in some cases to devastating effect.

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Source: Ars Technica