RCE in Barracuda T100b

CVE-2023-26213

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.079 (94.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-26213?
CVE-2023-26213 is a high-severity vulnerability in Barracuda T100b, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-03-03.
How severe is CVE-2023-26213?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-26213 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.