CVE-2026-111560
Received Received - Intake

Barracuda Appliance OS Command Injection via Timezone Configuration

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: Mandiant Inc.

Description
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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-111560

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves improper neutralization of shell metacharacters in the timezone configuration field of certain Barracuda appliance products. An authenticated administrator can inject OS commands that execute with root privileges when the crafted timezone value is processed.

Detection Guidance

Check Barracuda appliance logs for unusual timezone configuration changes or command execution attempts. Review system logs for root-level processes spawned from timezone-related services. Inspect network traffic for outbound connections from Barracuda devices to unexpected destinations.

Impact Analysis

An attacker with administrative access could execute arbitrary OS commands with root privileges, potentially leading to full system compromise, data theft, or unauthorized modifications on affected Barracuda appliances.

Mitigation Strategies

Apply the latest security patches from Barracuda for all affected appliances. Disable timezone configuration changes until patches are applied. Restrict administrative access to Barracuda devices to trusted users only. Monitor for suspicious activity in system logs.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-111560. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...