HOMEVULNERABILITIESCVE-2023-26213
HIGH

CVE-2023-26213

CWE-78Published: March 3, 2023· Updated: Jun 17, 2026

7.2
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-26213 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

barracuda14 product(s)
t100b firmwaret100bt200c firmwaret200ct400c firmwaret400ct600d firmwaret600dt900b firmwaret900bt93a firmwaret93a+2
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://seclists.org/fulldisclosure/2023/Mar/2
ADVISORYhttps://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/
ADVISORYhttp://seclists.org/fulldisclosure/2023/Mar/2
ADVISORYhttps://sec-consult.com/vulnerability-lab/advisory/os-command-injection-in-barracuda-cloudgen-wan/

All References (8)

→
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

Quick Facts

CVE IDCVE-2023-26213
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-78
CISA KEVNo
Affected1 vendor(s)
PublishedMar 3, 2023

Related CVEs (CWE-78)

CVE-2008-6554
10.0
CVE-2010-0418
10.0
CVE-2008-4796
10.0
CVE-2008-4304
10.0
CVE-2009-4025
10.0
CVE-2010-2445
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-26213 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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