Active Scan Alert: Over 28,000 Ivanti Instances Exposed to Internet

Ivanti has disclosed two new zero-day vulnerabilities assigned with CVE-2024-21888 and CVE-2024-21893 in the products Ivanti Connect Secure and Ivanti Policy Secure.

• CVE-2024-21887: command injection vulnerability
• CVE-2024-21888: privilege escalation vulnerability

The vulnerability (CVE-2024-2188) exists in Ivanti Connect Secure and Ivanti Policy Secure web components, allowing a threat actor to elevate their privileges to an administrator.

The SAML component of Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti Neurons for ZTA is affected by a vulnerability (CVE-2024-21888). This vulnerability enables a threat actor to access specific unrestricted resources without authentication.

Ivanti has released a security advisory for patching these vulnerabilities and urges all its customers to fix them accordingly.

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Attacks on the Rise

Between January 26-30, 2024, researchers from Unit 42 discovered that Ivanti Connect Secure and Policy Secure had been exposed in 145 countries, with over 28,000 instances.

On January 23, 2024, it was discovered that the security of Ivanti Connect Secure and Policy Secure devices had been breached in 44 different countries. 

A total of 610 instances were affected by the compromise, indicating a severe and widespread security issue that requires attention and action.

Since January 13, 2024, there has been a significant surge in the volume of IP addresses scanning the vulnerability. This increase in scanning activity indicates a potentially heightened risk of security breaches, and it warrants close attention and proactive measures to mitigate any potential threats.

On January 20, 2024, researchers observed a significant surge of 4,120 targeted attacks, all intended to exploit a particular vulnerability.

“Most observed attacks appeared to come from the U.S. region, accounting for 74% of all attacks, followed by the EU and Canada. However, we recognize that attackers might leverage proxy servers and VPNs in those countries to hide their physical locations,” reads the report.

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