GreyNoise found attempts to exploit CVE-2023-28771, a vulnerability in Zyxel’s IKE affecting UDP port 500. The attack centers around CVE-2023-28771, a high-severity remote code execution vulnerability (CVSS 9.8) affecting Zyxel Internet Key Exchange (IKE) packet decoders over UDP port 500. Exploitation attempts against CVE-2023-28771 were minimal throughout recent weeks. On …

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has recently included two high-risk vulnerabilities in its Known Exploited Vulnerabilities (KEV) Catalog, highlighting confirmed cases of these flaws being exploited in real-world scenarios. The catalog now features a zero-click iOS vulnerability exploited by mercenary spyware, as well as a command injection …