SB2023122712 - Remote code execution in Barracuda Email Security Gateway Appliance (ESG)

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Main Vulnerability Database SB2023122712

SB2023122712 - Remote code execution in Barracuda Email Security Gateway Appliance (ESG)

Published: December 27, 2023 Updated: May 19, 2026

Security Bulletin ID SB2023122712
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Exposed dangerous method or function (CVE-ID: CVE-2023-7102)

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation within the third-party Perl library Spreadsheet::ParseExcel used to parse Excel files. A remote attacker can send a specially crafted email with a malicious file inside and execute arbitrary code on the device.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.

References