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CVE-2025-1976

Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6

CVSS 4.0 High 8.6Known exploited (CISA KEV)

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Description

Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.

Official description from the CVE record, published by brocade. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 4.0 High 8.6

Score published by brocade in the CVE record.

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

  • Attack vector: Adjacent

    The attacker needs to be on the same shared network segment or a closely related one.

  • Attack complexity: Low

    No measurable action is needed to get around the system's built-in security controls. The attack is repeatable.

  • Attack requirements: None

    The attack works without any special deployment or execution conditions.

  • Privileges required: Low

    A basic user account is needed.

  • User interaction: None

    No action from any user is needed.

  • Vulnerable system: confidentiality: High

    Serious or total effect on the secrecy of data.

  • Vulnerable system: integrity: High

    Serious or total effect on the trustworthiness of data.

  • Vulnerable system: availability: High

    Serious or total effect on availability.

  • Subsequent systems: confidentiality: None

    No effect on other systems' data secrecy.

  • Subsequent systems: integrity: None

    No effect on other systems' data trustworthiness.

  • Subsequent systems: availability: None

    No effect on other systems' availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.00690 (0.7% probability)
Percentile
53.1%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.
Name in the catalog
Broadcom Brocade Fabric OS Code Injection Vulnerability
Added to the catalog
Apr 28, 2025
Federal due date
May 19, 2025

CISA assessment as of Apr 30, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
no
Technical impact
total

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-94Improper Control of Generation of Code

Affected products

Products listed in the CVE record, as the CNA published them.

  • Brocade Fabric OS

    • affected: Fabric OS versions 9.1.0 through 9.1.1d6

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Record published
  3. Added to CISA KEV
  4. Record last updated

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:51 UTC. Sources and licenses