CVE-2023-26213

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-03-03 · updated 2026-06-17
Weakness: CWE-78

Description

On Barracuda CloudGen WAN Private Edge Gateway devices before 8 webui-sdwan-1089-8.3.1-174141891, an OS command injection vulnerability exists in /ajax/update_certificate - a crafted HTTP request allows an authenticated attacker to execute arbitrary commands. For example, a name field can contain :password and a password field can contain shell metacharacters.

Affected products

Barracuda T100B Firmware: 8.3.1
Barracuda T193A Firmware: 8.3.1
Barracuda T200C Firmware: 8.3.1
Barracuda T400C Firmware: 8.3.1
Barracuda T600D Firmware: 8.3.1
Barracuda T900B Firmware: 8.3.1
Barracuda T93A Firmware: 8.3.1

References

http://seclists.org/fulldisclosure/2023/Mar/2
https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-1/
https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/
https://www.barracuda.com/products/network-security/cloudgen-wan
http://seclists.org/fulldisclosure/2023/Mar/2
https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-1/
https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/
https://www.barracuda.com/products/network-security/cloudgen-wan

Get alerted when CVE-2023-26213 or the next vulnerability affects your stack