CVE-2023-26213 — On Barracuda CloudGen WAN Private Edge Gateway devices before 8 webui-sdwan-1089
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
Published
2023-03-03T00:00:00.000Z
Last modified
2025-03-07T15:55:49.918Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-03-03T00:00:00.000Z
- Last modified: 2025-03-07T15:55:49.918Z
09References
- www.barracuda.com — https://www.barracuda.com/products/network-security/cloudgen-wan
- seclists.org — http://seclists.org/fulldisclosure/2023/Mar/2
- sec-consult.com — https://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barra…
- campus.barracuda.com — https://campus.barracuda.com/product/cloudgenwan/doc/96024723/release-notes-8-3-…
Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →