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Vulnerabilities

Vulnerability · CVE-2023-7102

Barracuda ESG Appliance ParseExcel Code Execution Vulnerability

Published Dec 24, 2023 · catalog updated Dec 24, 2023 · Barracuda Networks Email Security Gateway (ESG) Appliance

Patch now

CVE-2023-7102 is in the CISA known-exploited catalog. Confirm Barracuda Networks Email Security Gateway (ESG) Appliance against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
44.57%
Remediation
Remediation guidance
Affected products
vendor Barracuda Networks Email Security Gateway (ESG) Appliance

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Barracuda Networks Email Security Gateway (ESG) Applianceversion unspecified

How to fix CVE-2023-7102

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-7102 is in the CISA known-exploited catalog. Confirm Barracuda Networks Email Security Gateway (ESG) Appliance against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 44.57%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 24, 2023 · VulnCheck KEV

    Detected

    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.

  2. Dec 24, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2023-7102

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-7102

    30-day exploitation probability 44.6%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2023-7102

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.