// For flags

CVE-2021-27793

 

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch.

Un fallo de autorización intermitente en aaa tacacs+ con las versiones de Brocade Fabric OS anteriores a v9.0.1b y posteriores a 9.0.0, también en Brocade Fabric OS versiones anteriores a v8.2.3a y posteriores a v8.2.0, podría causar que un usuario con una cuenta válida no pudiera iniciar sesión en el switch

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* 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
  • 2024-04-27 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-863: Incorrect Authorization
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"
>= 8.2.0 < 8.2.3
Search vendor "Broadcom" for product "Fabric Operating System" and version " >= 8.2.0 < 8.2.3"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
>= 9.0.0 < 9.0.1
Search vendor "Broadcom" for product "Fabric Operating System" and version " >= 9.0.0 < 9.0.1"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
8.2.3
Search vendor "Broadcom" for product "Fabric Operating System" and version "8.2.3"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
9.0.1
Search vendor "Broadcom" for product "Fabric Operating System" and version "9.0.1"
-
Affected
Broadcom
Search vendor "Broadcom"
Fabric Operating System
Search vendor "Broadcom" for product "Fabric Operating System"
9.0.1a
Search vendor "Broadcom" for product "Fabric Operating System" and version "9.0.1a"
-
Affected