Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-0961

Barracuda Web Filter before 8.1.0.005, when SSL Inspection is enabled, does not verify X.509 certificates from upstream SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Security Impact Summary

CVE-2015-0961 is a security vulnerability that . Impacting 1 product from barracuda organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-05-25T22:59:02.880

Last Modified

2026-06-17T00:21:11.510

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	barracuda	web_filter	≤ 8.0.003	Yes

References

http://www.kb.cert.org/vuls/id/534407 Third Party Advisory, US Government Resource ([email protected])
https://blog.barracuda.com/2015/04/28/barracuda-delivers-updated-ssl-inspection-feature/ Vendor Advisory ([email protected])
https://techlib.barracuda.com/BWF/UpdateSSLCerts Vendor Advisory ([email protected])
https://www.barracuda.com/support/techalerts Vendor Advisory ([email protected])
http://www.kb.cert.org/vuls/id/534407 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://blog.barracuda.com/2015/04/28/barracuda-delivers-updated-ssl-inspection-feature/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://techlib.barracuda.com/BWF/UpdateSSLCerts Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.barracuda.com/support/techalerts Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For barracuda's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.