KEV'd: CVE-2021-45046, CVE-2023-21839, and CVE-2023-1389

On Monday, May 1, 2023, CISA added CVE-2021-45046, CVE-2023-21839, and CVE-2023-1389 to the Known Exploited Vulnerabilities (KEV) list. For all three CVEs, GreyNoise users had visibility into which IPs were attempting mass exploitation prior to their addition to the KEV list.

addition cisa cve cve-2021-45046 cve-2023-1389 cve-2023-21839 cves exploitation exploited exploited vulnerabilities greynoise ips kev known exploited known exploited vulnerabilities list may monday visibility vulnerabilities