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01 Record

CVE-2026-111560

OS Command Injection in Barracuda Appliances

HighKEVPUBLISHEDCNA: Mandiant
CNA base score8.6 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

02 Description

OS Command Injection in Barracuda Appliances

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-11-10. Federal remediation due 2026-11-13.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.06% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 64.7% of scored records. A rank, not a probability.
NVD base score
8.6 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS 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/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
NVD analysis status
Undergoing Analysis. NVD last modified this record on 2026-11-11.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-11-02 12:59Z9 DAYS AGO
Last updated
2026-11-11 04:55Z8 HR AGO
Reserved
2026-10-16
Assigning CNA
Mandiant
Record state
PUBLISHED
Severity
High (CVSS 8.6)
CNA CVSS 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
Weaknesses
  • CWE-78Improper Neutralization of Special Elements used in an OS CommandBase
Data version
5.2
Document digest
48991e0375e2574a541a0e2b932ee57688a9c9f0543eda89a6171115938dfc4f

05 Affected products

VendorProductVersionsPlatforms
Barracuda NetworksBarracuda Email Security Gateway (ESG)0 to 9.4.0.27—
Barracuda NetworksBarracuda Web Application Firewall (WAF)0 to 11.0.1—
Barracuda NetworksBarracuda Web Security Gateway (WSG)0 to 16.1.100.100—
Barracuda NetworksBarracuda Message Archiver (BMA)0 to 5.5.4.0—
Barracuda NetworksBarracuda WAF Control Center (WCC)0 to 2.2.1—

06 References