Compromised Barracuda appliances equipped with persistent backdoors by attackers

The Cybersecurity and Infrastructure Security Agency CISA has published three malware analysis reports based on malware variants associated with the exploitation of a known vulnerability in Barracuda ESG appliances. The Common Vulnerabilities and Exposures CVE database lists publicly disclosed...

Hackers Deploy "SUBMARINE" Backdoor in Barracuda Email Security Gateway Attacks

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday disclosed details of a "novel persistent backdoor" called SUBMARINE deployed by threat actors in connection with the hack on Barracuda Email Security Gateway ESG appliances. "SUBMARINE comprises multiple artifacts — includin...

Chinese UNC4841 Group Exploits Zero-Day Flaw in Barracuda Email Security Gateway

A suspected China-nexus threat actor dubbed UNC4841 has been linked to the exploitation of a recently patched zero-day flaw in Barracuda Email Security Gateway ESG appliances since October 2022. "UNC4841 is an espionage actor behind this wide-ranging campaign in support of the People's Republic o...

Chinese UNC4841 Group Exploits Zero-Day Flaw in Barracuda Email Security Gateway

A suspected China-nexus threat actor dubbed UNC4841 has been linked to the exploitation of a recently patched zero-day flaw in Barracuda Email Security Gateway ESG appliances since October 2022. "UNC4841 is an espionage actor behind this wide-ranging campaign in support of the People's Republic o...

Alert: Hackers Exploit Barracuda Email Security Gateway 0-Day Flaw for 7 Months

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-2023-286...

Alert: Hackers Exploit Barracuda Email Security Gateway 0-Day Flaw for 7 Months

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-2023-286...