OS Command Injection in Barracuda Appliances

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-111560
StatePUBLISHED
AssignerMandiant
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-02 13:17:35 UTC
Updated2026-11-03 05:18:28 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v4.0 8.6 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004710000 probability, percentile 0.407690000 (date 2026-11-03)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS8.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Barracuda Networks Barracuda Email Security Gateway ESG affected 9.4.0.27 custom Not specified
CNA Barracuda Networks Barracuda Load Balancer Application Delivery Controller ADC affected 6.4.0 custom Not specified
CNA Barracuda Networks Barracuda Web Application Firewall WAF affected 11.0.1 custom Not specified
CNA Barracuda Networks Barracuda Web Security Gateway WSG affected 16.1.100.100 custom Not specified
CNA Barracuda Networks Barracuda Message Archiver BMA affected 5.5.4.0 custom Not specified
CNA Barracuda Networks Barracuda WAF Control Center WCC affected 2.2.1 custom Not specified

References

ReferenceSourceLinkTags
github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026... [email protected] github.com
trust.barracuda.com/security/pre-authentication-authorization-bypass-command-inje... [email protected] trust.barracuda.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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