Mass exploitation began over the weekend for yet another critical vulnerability in widely used VPN software sold by Ivanti, as hackers already targeting two previous vulnerabilities diversified, researchers said Monday.
The new vulnerability, tracked as CVE-2024-21893, is what’s known as a server-side request forgery. Ivanti disclosed it on January 22, along with a separate vulnerability that so far has shown no signs of being exploited. Last Wednesday, nine days later, Ivanti said CVE-2024-21893 was under active exploitation, aggravating an already chaotic few weeks. All of the vulnerabilities affect Ivanti’s Connect Secure and Policy Secure VPN products.
A tarnished reputation
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