cve | cybersecurity | Threat Intelligence CISA KEV Weekly Roundup: 6 Exploited Flaws, 3 Due Today By CISA added six exploited flaws to its KEV catalog this week: four Plex Media Server bugs that chain into remote code execution, a SiteGuard WAF command injection and a Siemens Software Center DLL flaw abused in ClickFix attacks. Three are due today.