CVE-2023-26213

Name: CVE-2023-26213
Creator: NVD / NIST
Published: 2023-03-03T22:15:09.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 7.88%

Last modified Jun 17, 2026

CVE-2023-26213 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 7.88% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

7.88%

94.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Barracuda	T100b 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
Barracuda	T193a Firmware	8.3.1

References

http://seclists.org/fulldisclosure/2023/Mar/2Exploit, Mailing List, Third Party Advisory
https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-1/Release Notes
https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/Exploit, Third Party Advisory
https://www.barracuda.com/products/network-security/cloudgen-wanProduct
http://seclists.org/fulldisclosure/2023/Mar/2Exploit, Mailing List, Third Party Advisory
https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-1/Release Notes
https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/Exploit, Third Party Advisory
https://www.barracuda.com/products/network-security/cloudgen-wanProduct

Timeline

Published: Mar 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26213?

How severe is CVE-2023-26213?

CVE-2023-26213 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 7.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26213?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26213?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST