VDB-222265 · CVE-2023-26213 · EUVD-2023-30038

Barracuda CloudGen WAN prior 8.3.1-174141891/9.0.0 /ajax/update_certificate :: os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Barracuda CloudGen WAN. Affected is the function :: of the file /ajax/update_certificate. This manipulation causes os command injection. This vulnerability is registered as CVE-2023-26213. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Barracuda CloudGen WAN (Cloud Software). Affected by this vulnerability is the function :: of the file /ajax/update_certificate. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 03/03/2023. The advisory is shared at seclists.org. This vulnerability is known as CVE-2023-26213 since 02/20/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 8.3.1-174141891 or 9.0.0 eliminates this vulnerability. The upgrade is hosted for download at campus.barracuda.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30038). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Barracuda

Name

CloudGen WAN

License

commercial

Website

Vendor: https://www.barracuda.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CloudGen WAN 8.3.1-174141891/9.0.0

Timelineinfo

02/20/2023 🔍
03/03/2023 +11 days 🔍
03/03/2023 +0 days 🔍
11/07/2025 +980 days 🔍

Sourcesinfo

Vendor: barracuda.com

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-26213 (🔍)
GCVE (CVE): GCVE-0-2023-26213
GCVE (VulDB): GCVE-100-222265
EUVD: 🔍

Entryinfo

Created: 03/03/2023 08:45
Updated: 11/07/2025 08:51
Changes: 03/03/2023 08:45 (42), 03/31/2023 08:16 (1), 03/31/2023 08:17 (11), 11/07/2025 08:51 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.