AEGLIX vulnerability intelligence
CVE-2023-2868
CRITICAL · CVSS 9.4 · Analyzed
Published: 2023-05-24 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
A remote command injection vulnerability exists in the Barracuda Email Security Gateway (appliance form factor only) product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file (tape archives). The vulnerability stems from incomplete input validation of a user-supplied .tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product. This issue was fixed as part of BNSF-36456 patch. This patch was automatically applied to all customer appliances.
Severity and scoring
- CVSS score
- 9.4 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
- Weaknesses
- CWE-20, CWE-77
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Barracuda Networks · Email Security Gateway (ESG) Appliance
- Added to catalog
- 2023-05-26
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2023-06-16
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:barracuda:email_security_gateway_300_firmware:*:*:*:*:*:*:*:*
From (inclusive): 5.1.3.001
Through (inclusive): 9.2.0.006
cpe:2.3:o:barracuda:email_security_gateway_400_firmware:*:*:*:*:*:*:*:*
From (inclusive): 5.1.3.001
Through (inclusive): 9.2.0.006
cpe:2.3:o:barracuda:email_security_gateway_600_firmware:*:*:*:*:*:*:*:*
From (inclusive): 5.1.3.001
Through (inclusive): 9.2.0.006
cpe:2.3:o:barracuda:email_security_gateway_800_firmware:*:*:*:*:*:*:*:*
From (inclusive): 5.1.3.001
Through (inclusive): 9.2.0.006
cpe:2.3:o:barracuda:email_security_gateway_900_firmware:*:*:*:*:*:*:*:*
From (inclusive): 5.1.3.001
Through (inclusive): 9.2.0.006
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://status.barracuda.com/incidents/34kx82j5n4q9
Vendor Advisory
- https://www.barracuda.com/company/legal/esg-vulnerability
Mitigation · Vendor Advisory
- https://status.barracuda.com/incidents/34kx82j5n4q9
Vendor Advisory
- https://www.barracuda.com/company/legal/esg-vulnerability
Mitigation · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2868
US Government Resource