// For flags

CVE-2021-27790

 

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The command ipfilter in Brocade Fabric OS before Brocade Fabric OS v.9.0.1a, v8.2.3, and v8.2.0_CBN4, and v7.4.2h uses unsafe string function to process user input. Authenticated attackers can abuse this vulnerability to exploit stack-based buffer overflows, allowing execution of arbitrary code as the root user account.

El comando ipfilter en Brocade Fabric OS versiones anteriores a Brocade Fabric OS v.9.0.1a, v8.2.3, y v8.2.0_CBN4, y v7.4.2h, usa una función de cadena no segura para procesar la entrada del usuario. Unos atacantes autenticados pueden abusar de esta vulnerabilidad para explotar unos desbordamientos de búfer en la región stack de la memoria, permitiendo una ejecución de código arbitrario como la cuenta de usuario root.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-02-26 CVE Reserved
  • 2021-08-12 CVE Published
  • 2024-02-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
< 7.4.2h
Search vendor "Broadcom" for product "Fabric Operating System" and version " < 7.4.2h"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
>= 8.0.0 < 8.2.0_cbn4
Search vendor "Broadcom" for product "Fabric Operating System" and version " >= 8.0.0 < 8.2.0_cbn4"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
>= 8.2.1 < 8.2.3
Search vendor "Broadcom" for product "Fabric Operating System" and version " >= 8.2.1 < 8.2.3"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
>= 9.0.0 < 9.0.1a
Search vendor "Broadcom" for product "Fabric Operating System" and version " >= 9.0.0 < 9.0.1a"
-
Affected