CISA forced to take two systems offline last month after Ivanti compromise
Hackers breached the systems of the Cybersecurity and Infrastructure Security Agency (CISA) in February through vulnerabilities in Ivanti products, officials said.
Ivanti Connect Secure VPN Exploitation: New Observations
On January 15, 2024, Volexity detailed widespread exploitation of Ivanti Connect Secure VPN vulnerabilities CVE-2024-21887 and CVE-2023-46805. In that blog post, Volexity detailed broader scanning and exploitation by threat actors using still non-public exploits to compromise numerous devices. Subsequently, Volexity has observed an increase in attacks from various threat actors against Ivanti Connect Secure VPN appliances beginning the same day.
CVE-2023-46805
Starting January 10, 2024, multiple parties (Ivanti, Volexity, and Mandiant) disclosed the existence of a zero-day exploit chain affecting Ivanti Connect Secur…
Ivanti Connect Secure VPN Exploitation Goes Global
On January 10, 2024, Volexity publicly shared details of targeted attacks by UTA00178 exploiting two zero-day vulnerabilities (CVE-2024-21887 and CVE-2023-46805) in Ivanti Connect Secure (ICS) VPN appliances. On the same day, Ivanti published a mitigation that could be applied to ICS VPN appliances to prevent exploitation of these vulnerabilities. Since publication of these details, Volexity has continued to monitor its existing customers for exploitation. Volexity has also been contacted by multiple organizations that saw signs of compromise by way of mismatched file detections. Volexity has been actively working multiple new cases of organizations with compromised ICS VPN appliances.
Welcome To 2024, The SSLVPN Chaos Continues - Ivanti CVE-2023-46805 & CVE-2024-21887
Did you have a good break? Have you had a chance to breathe? Wake up. It’s 2024, and the chaos continues - thanks to Volexity (Volexity’s writeup), the industry has been alerted to in-the-wild exploitation of 2 incredibly serious 0days (CVE-2023-46805 and CVE-2024-21887 - two bugs, Command Injection
Active Exploitation of Two Zero-Day Vulnerabilities in Ivanti Connect Secure VPN
Volexity has uncovered active in-the-wild exploitation of two vulnerabilities allowing unauthenticated remote code execution in Ivanti Connect Secure VPN appliances. An official security advisory and knowledge base article have been released by Ivanti that includes mitigation that should be applied immediately. However, a mitigation does not remedy a past or ongoing compromise. Systems should simultaneously be thoroughly analyzed per details in this post to look for signs of a breach.