CVE-2023-2868Vulnerability
Barracuda Networks ESG Appliance Improper Input Validation Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 1 independent source · first reported by The Hacker News · last reported
Last reported 18 days ago
CISA KEVAdded 26 May 2023
Fix due 16 Jun 2023
Used by ransomware: not knownCISA KEV catalogue
Fix due 16 Jun 2023
Used by ransomware: not knownCISA KEV catalogue
EPSS86.8%
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
higher than 99% of CVEsFIRST EPSS, as of 21 Oct 2026
What the reports say
1 report, newest first · the exact sentence from each-
Linux Backdoors Impersonate Email Security Tools to Evade Detection in Korea and Taiwan“… actor codenamed UNC4841 was observed exploiting two different vulnerabilities in Barracuda Email Security Gateway (ESG) appliances (CVE-2023-2868 and CVE-2023-7102) to deliver persistent backdoors.”
Indicators reported together
named in the same reports- mx.zxopfds[.]comin 1 report
Copy this indicator · defanged
Also named with it: CVE-2023-7102
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