Enterprise security firm Barracuda on Tuesday disclosed that a recently patched zero-day flaw in its Email Security Gateway (ESG) appliances had been abused by threat actors since October 2022 to backdoor the devices.
The latest findings show that the critical vulnerability, tracked as CVE-2023-2868 (CVSS score: N/A), has been actively exploited for at least seven months prior to its discovery.

Enterprise security firm Barracuda on Tuesday disclosed that a recently patched zero-day flaw in its Email Security Gateway (ESG) appliances had been abused by threat actors since October 2022 to backdoor the devices.
The latest findings show that the critical vulnerability, tracked as CVE-2023-2868 (CVSS score: N/A), has been actively exploited for at least seven months prior to its discovery.