CVE-2023-2868 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-05-26
A remote command injection vulnerability exists in the Barracuda Email Security Gateway appliance due to improper input validation of filenames within user-supplied .tar archives. An attacker can execute system commands with the privileges of the ESG product via Perl's qx operator by formatting filenames in a specific manner.
Quick answers
Is CVE-2023-2868 exploited in the wild?
Yes. CVE-2023-2868 is known to be exploited in the wild, first recorded on 26 May 2023. Treat it as urgent.
How severe is CVE-2023-2868?
Critical severity, with a CVSS score of 9.8, published 26 May 2023.
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-2868 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-2868?
Check whether you run Barracuda Networks Email Security Gateway (ESG) Appliance. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.