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Ivanti warns of a new actively exploited zero-day
January 31, 2024
Ivanti warns of two new vulnerabilities in its Connect Secure and Policy Secure products, one of which is actively exploited in the wild.
Ivanti is warning of two new high-severity vulnerabilities in its Connect Secure and Policy Secure solutions respectively tracked as CVE-2024-21888 (CVSS score: 8.8) and CVE-2024-21893 (CVSS score: 8.2). The software company also warned that one of these two vulnerabilities is under active exploitation in the wild.
The vulnerability CVE-2024-21888 is a privilege escalation issue that resides in the web component of Ivanti Connect Secure (9.x, 22.x) and Policy Secure (9.x, 22.x). An attacker can exploit the vulnerability to gain admin privileges.
The second flaw CVE-2024-21893 is a server-side request forgery vulnerability in the SAML component of Connect Secure (9.x, 22.x), Policy Secure (9.x, 22.x) and Neurons for ZTA. An authenticated attacker can exploit the issue to access certain restricted resources.
The company also warns that the situation is still evolving and multiple threat actors can rapidly adpat their tactics, tecniques, and procedures to exploit these issues in their campaigns.
“At the time of publication, the exploitation of CVE-2024-21893 appears to be targeted. Ivanti expects the threat actor to change their behavior and we expect a sharp increase in exploitation once this information is public – similar to what we observed on 11 January following the 10 January disclosure.” reads the advisory.
“Be aware that the situation is still evolving. Ivanti will update this knowledge base article as more information becomes available.”
The software firm recommends importing the “mitigation.release.20240126.5.xml” file via the download portal as temporary workarounds to address CVE-2024-21888 and CVE-2024-21893.
In early January 2024, software firm Ivanti reported that threat actors were exploiting other two zero-day vulnerabilities (CVE-2023-46805, CVE-2024-21887) in Connect Secure (ICS) and Policy Secure to remotely execute arbitrary commands on targeted gateways.
Today, researchers from cybersecurity firm Synacktiv published a technical analysis of a Rust malware, named KrustyLoader, that was delivered by threat actors exploiting the above vulnerabilities.
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(SecurityAffairs – hacking, zero-day CVE-2024-21893)
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