Brocade ASCG 3.4.0 authentication bypass

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Brocade ASCG 3.4.0 and classified as critical. This impacts an unknown function. Such manipulation leads to authentication bypass. This vulnerability is uniquely identified as CVE-2026-0869. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Brocade ASCG 3.4.0. It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-305. The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.

The advisory is shared for download at support.broadcom.com. This vulnerability is handled as CVE-2026-0869 since 01/13/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-305 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/13/2026 CVE reserved
03/04/2026 +50 days Advisory disclosed
03/04/2026 +0 days VulDB entry created
03/11/2026 +7 days VulDB entry last update

Sourcesinfo

Advisory: support.broadcom.com
Status: Confirmed

CVE: CVE-2026-0869 (🔒)
GCVE (CVE): GCVE-0-2026-0869
GCVE (VulDB): GCVE-100-348632

Entryinfo

Created: 03/04/2026 04:34
Updated: 03/11/2026 03:22
Changes: 03/04/2026 04:34 (63), 03/10/2026 01:59 (11), 03/11/2026 03:22 (1)
Complete: 🔍
Cache ID: 216::103

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