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CVE-2025-1976 (GCVE-0-2025-1976)

Vulnerability from cvelistv5 – Published: 2025-04-24 02:55 – Updated: 2026-02-26 18:28
VLAI CISA Previdian
Title
Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
Summary
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.
Severity
8.6 (High)
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
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-30 03:56 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Brocade Fabric OS Affected: Fabric OS versions 9.1.0 through 9.1.1d6
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5c0181fb-fa8f-49af-ba41-93d8ed007b57

Vulnerability ID: CVE-2025-1976

Status: Confirmed

Status Updated: 2025-04-28 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-04-28
Asserted: 2025-04-28
Scope
Notes: KEV entry: Broadcom Brocade Fabric OS Code Injection Vulnerability | Affected: Broadcom / Brocade Fabric OS | Description: Broadcom Brocade Fabric OS contains a code injection vulnerability that allows a local user with administrative privileges to execute arbitrary code with full root privileges. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-05-19 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25602 ; https://nvd.nist.gov/vuln/detail/CVE-2025-1976
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-94
Feed CISA Known Exploited Vulnerabilities Catalog
Product Brocade Fabric OS
Due Date 2025-05-19
Date Added 2025-04-28
Vendorproject Broadcom
Vulnerabilityname Broadcom Brocade Fabric OS Code Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 261d7a20-a613-44fc-82e2-b578ff9322fe

Vulnerability ID: CVE-2025-1976

Status: Confirmed

Status Updated: 2025-04-28 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-04-28
Asserted: 2025-04-28
Scope
Notes: KEVIntel entry: Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6 | Affected: Brocade / Fabric OS | CVSS: 8.6 (HIGH) | EPSS: 0.00033 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
Vendor Brocade
Product Fabric OS
Added Date 2025-04-28T00:00:00.000Z
Cvss Score 8.6
Epss Score 0.00033
Cvss Severity HIGH
Epss Percentile 0.07906
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:04 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.