CVE-2023-7102

CRITICAL

Use of a Third Party library produced a vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance which allowed Parameter Injection.This issue affected Barracuda ESG Appliance, from 5.1.3.00...

Affects 10 products across 1 vendor.

CVSS 3.19.8
EPSS44.6%
Percentile99th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-1104: CWE-1104
◆ AI Analysis — automated analysis, not human-reviewed

A vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance, caused by the use of a third-party library, allows for Parameter Injection. This issue affects specific versions of the Barracuda ESG Appliance and has a high CVSS score of 9.8, indicating severe risk.

BSID: BS-2023-GLOBAL-179425-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2023-7102?
A vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance, caused by the use of a third-party library, allows for Parameter Injection. This issue affects specific versions of the Barracuda ESG Appliance and has a high CVSS score of 9.8, indicating severe risk.
What is the CVSS score for CVE-2023-7102?
CVE-2023-7102 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 44.6%.
Is CVE-2023-7102 actively exploited?
No confirmed active exploitation of CVE-2023-7102 as of 2026-09-25.
How do I remediate CVE-2023-7102?
Priority: IMMEDIATE. Advisory: https://www.barracuda.com/company/legal/esg-vulnerability PSIRT: [email protected]
What systems are affected by CVE-2023-7102?
CVE-2023-7102 affects Barracuda Email Security Gateway 300, Email Security Gateway 400, Email Security Gateway 600, Email Security Gateway 800, Email Security Gateway 900.
Vulnerability Details
CVE IDCVE-2023-7102
BSIDBS-2023-GLOBAL-179425-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2023-12-24
Last Modified2026-06-17
ICS Relevance0%
Weakness (CWE)
CWE-1104
SourceNVD
Official Description

Use of a Third Party library produced a vulnerability in Barracuda Networks Inc. Barracuda ESG Appliance which allowed Parameter Injection.This issue affected Barracuda ESG Appliance, from 5.1.3.001 through 9.2.1.001, until Barracuda removed the vulnerable logic.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability arises from the improper handling of parameters in the Barracuda ESG Appliance, which can be exploited by an attacker to inject malicious parameters. This can lead to unauthorized access, data manipulation, or other malicious activities.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Barracuda Email Security Gateway 300 (device & firmware) ≥ 5.1.3.001, ≤ 9.2.1.001
Barracuda Email Security Gateway 400 (device & firmware) ≥ 5.1.3.001, ≤ 9.2.1.001
Barracuda Email Security Gateway 600 (device & firmware) ≥ 5.1.3.001, ≤ 9.2.1.001
Barracuda Email Security Gateway 800 (device & firmware) ≥ 5.1.3.001, ≤ 9.2.1.001
Barracuda Email Security Gateway 900 (device & firmware) ≥ 5.1.3.001, ≤ 9.2.1.001
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1026 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash31750e3b0a2b0d22eb77581bc9630e414e075b18c747cc4aa529bf4648ee0b604c43d39b7054eb4263224488d6a29d35ed11c5c7ff0dd567c07f6207f6398f5e
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