Detections
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CVE-2026-111560

high

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.

References

https://trust.barracuda.com/security/pre-authentication-authorization-bypass-command-injection

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0041.md

https://www.bleepingcomputer.com/news/security/hackers-exploit-barracuda-email-security-gateway-flaws-to-get-root-access/

https://thehackernews.com/2026/11/experts-demonstrate-barracuda-email.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-111560

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-115148

Details

Source: Mitre, NVD

Published: 2026-11-02

Updated: 2026-11-12

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.6

Vector: 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

Severity: High

EPSS

EPSS: 0.09082

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest