Vulnerabilities in Barracuda Networks' Email Security Gateway appliances — internet-facing mail-scanning devices that, once compromised, gave attackers a foothold that in one case survived even after patching. Combined article + CVE feed for the Barracuda Networks beat.https://0daynews.com/en-ushttps://0daynews.com/cve/cve-2023-2868/https://0daynews.com/cve/cve-2023-2868/A remote command-injection vulnerability in Barracuda Email Security Gateway (ESG) appliances, exploited as a zero-day for at least seven months before discovery, allowed attackers to gain a persistent backdoor — remediation required full physical appliance replacement, not just a patch, in confirmed-compromised units.Fri, 14 Aug 2026 00:00:00 GMTBarracuda Networkscriticalcvehttps://0daynews.com/articles/2026-07-05-barracuda-esg-zero-day-cve-2023-2868/https://0daynews.com/articles/2026-07-05-barracuda-esg-zero-day-cve-2023-2868/CVE-2023-2868 was exploited as a zero-day for roughly seven months before discovery — and left some compromised appliances backdoored even after the software patch was applied.Sun, 05 Jul 2026 15:30:00 GMTBarracuda Networksarticle