Improper input validation in Barracuda Email Security Gateway

CVE-2023-2868

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.892 (99.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-2868?
CVE-2023-2868 is a critical-severity vulnerability in Barracuda Email Security Gateway, classified under Improper Input Validation. CVSS score: 9.4/10. Published 2023-05-24.
How severe is CVE-2023-2868?
Critical severity. CVSS v3 base score is 9.4 out of 10.
Is CVE-2023-2868 known to be exploited?
Yes. CVE-2023-2868 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-05-26), indicating it is being actively exploited. 14 public proof-of-concept repositories are indexed.