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CVE-2026-111560

OS Command Injection in Barracuda Appliances

Improper neutralization of shell metacharacters in the timezone configuration field in certain Barracuda appliance products using common Barracuda code allows an authenticated administrator to inject OS commands that execute with root privileges when the crafted timezone value is subsequently processed.

CVSS 4.0 · 8.6 High EPSS 6.2% KEV · Listed
Vendors
Barracuda Barracuda Networks
Products
Email Security Gateway 300 Email Security Gateway 300 Firmware Email Security Gateway 400 and 57 more
CVE-2026-116606

Authentication Bypass Allows Global Configuration Restore in Barracuda Email Security Gateway

An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted, compatible backup archive, resulting in unauthorized modification of the appliance’s global configuration.

CVSS 4.0 · 9.3 Critical EPSS 8.9% KEV · Listed
Vendors
Barracuda Barracuda Networks
Products
Email Security Gateway 300 Email Security Gateway 300 Firmware Email Security Gateway 400 and 8 more
CVE-2023-2868

Remote Code injection in Barracuda Email Security Gateway

A remote command injection vulnerability exists in the Barracuda Email Security Gateway (appliance form factor only) product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file (tape archives). The vulnerability stems from incomplete input validation of a user-supplied .tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product. This issue was fixed as part of BNSF-36456 patch. This patch was automatically applied to all customer appliances.

CVSS 3.1 · 9.4 Critical EPSS 86.8% KEV · Listed
Vendors
Barracuda
Products
Email Security Gateway 300 Email Security Gateway 300 Firmware Email Security Gateway 400 and 7 more
CVE-2023-7102

Remote Code Execution (RCE) Vulnerability

Use of a Third Party library produced a vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance which allowed Parameter Injection.This issue affected Barracuda ESG Appliance, from 5.1.3.001 through 9.2.1.001, until Barracuda removed the vulnerable logic.

CVSS 3.1 · 9.8 Critical EPSS 44.6% KEV · Not listed
Vendors
Barracuda
Products
Email Security Gateway 300 Email Security Gateway 300 Firmware Email Security Gateway 400 and 7 more