Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure), Ivanti Policy Secure, and Ivanti Neurons contain a server-side request forgery (SSRF) vulnerability in the SAML component that allows an attacker to access certain restricted resources without authentication.
Ivanti · Connect Secure, Policy Secure, and Neurons
Known ransomware use: Known
Follow the source advisory and validate exposure in your environment.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Recent reporting that mentions CVE-2024-21893.
Multiple China-nexus threat actors have been linked to the zero-day exploitation of three security flaws impacting Ivanti appliances (CVE-2023-46805, CVE-2024-21887, and CVE-2024-21893)
Shadowserver Foundation spots 170 distinct IP addresses trying to exploit Ivanti zero-day CVE-2024-21893
At this point you might be better just shutting the stuff down All manner of miscreants are piling onto the latest Ivanti flaw, a server-side request forgery (SSRF) vulnerability tracked as CVE-2024-21893, according to threat hunters tracking the string of CVEs that have been plaguing the software shop's gateways over recent weeks.…
An Ivanti Connect Secure and Ivanti Policy Secure server-side request forgery (SSRF) vulnerability tracked as CVE-2024-21893 is currently under mass exploitation by multiple attackers. [...]