CVE-2021-27795 | ByteOS Network

Vulnerability Details :

CVE-2021-27795

Assigner-brocade

Assigner Org ID-87b297d7-335e-4844-9551-11b97995a791

Published At-06 Dec, 2023 | 01:16

Updated At-03 Aug, 2024 | 21:33

License forgery in Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software,

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the license string format; contain cryptographic issues that could allow for the installation of forged or fraudulent license keys. This would allow attackers or a malicious party to forge a counterfeit license key that the Brocade Fabric OS platform would authenticate and activate as if it were a legitimate license key.

EPSS History

Score

Latest Score

-

N/A

Percentile

Latest Percentile

-

N/A

▼Common Vulnerabilities and Exposures (CVE)

Assigner:brocade

Assigner Org ID:87b297d7-335e-4844-9551-11b97995a791

Published At:06 Dec, 2023 | 01:16

Updated At:03 Aug, 2024 | 21:33

▼CVE Numbering Authority (CNA)

License forgery in Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software,

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the license string format; contain cryptographic issues that could allow for the installation of forged or fraudulent license keys. This would allow attackers or a malicious party to forge a counterfeit license key that the Brocade Fabric OS platform would authenticate and activate as if it were a legitimate license key.

Affected Products

Vendor

Brocade Communications Systems, Inc. (Broadcom Inc.)

Product

Brocade Switches

Default Status

unaffected

Versions

Affected

All Version

Problem Types

Type	CWE ID	Description
CWE	CWE-327	CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Type: CWE

CWE ID: CWE-327

Description: CWE-327 Use of a Broken or Risky Cryptographic Algorithm

Metrics

Version	Base score	Base severity	Vector
3.1	6.4	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

Version: 3.1

Base score: 6.4

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

Impacts

CAPEC ID	Description
CAPEC-20	CAPEC-20 Encryption Brute Forcing

CAPEC ID: CAPEC-20

Description: CAPEC-20 Encryption Brute Forcing

References

Hyperlink	Resource
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289	N/A

Hyperlink: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289

Resource: N/A

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289	x_transferred

Hyperlink: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289

Resource:

x_transferred

▼National Vulnerability Database (NVD)

Source:sirt@brocade.com

Published At:06 Dec, 2023 | 02:15

Updated At:11 Dec, 2023 | 19:44

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the license string format; contain cryptographic issues that could allow for the installation of forged or fraudulent license keys. This would allow attackers or a malicious party to forge a counterfeit license key that the Brocade Fabric OS platform would authenticate and activate as if it were a legitimate license key.

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	8.1	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary	3.1	6.4	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

Type: Primary

Version: 3.1

Base score: 8.1

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Type: Secondary

Version: 3.1

Base score: 6.4

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

CPE Matches

>>brocade_300>>-

cpe:2.3:h:broadcom:brocade_300:-:*:*:*:*:*:*:*

>>brocade_610>>-

cpe:2.3:h:broadcom:brocade_610:-:*:*:*:*:*:*:*

>>brocade_6505>>-

cpe:2.3:h:broadcom:brocade_6505:-:*:*:*:*:*:*:*

>>brocade_6510>>-

cpe:2.3:h:broadcom:brocade_6510:-:*:*:*:*:*:*:*

>>brocade_6520>>-

cpe:2.3:h:broadcom:brocade_6520:-:*:*:*:*:*:*:*

>>brocade_7800>>-

cpe:2.3:h:broadcom:brocade_7800:-:*:*:*:*:*:*:*

>>brocade_7810>>-

cpe:2.3:h:broadcom:brocade_7810:-:*:*:*:*:*:*:*

>>brocade_7840>>-

cpe:2.3:h:broadcom:brocade_7840:-:*:*:*:*:*:*:*

>>brocade_g620>>-

cpe:2.3:h:broadcom:brocade_g620:-:*:*:*:*:*:*:*

>>brocade_g630>>-

cpe:2.3:h:broadcom:brocade_g630:-:*:*:*:*:*:*:*

>>brocade_x6-4_director>>-

cpe:2.3:h:broadcom:brocade_x6-4_director:-:*:*:*:*:*:*:*

>>brocade_x6-8_director>>-

cpe:2.3:h:broadcom:brocade_x6-8_director:-:*:*:*:*:*:*:*

>>fabric_operating_system>>*

cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-327	Primary	nvd@nist.gov
CWE-327	Secondary	sirt@brocade.com

CWE ID: CWE-327

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-327

Type: Secondary

Source: sirt@brocade.com

References

Hyperlink	Source	Resource
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289	sirt@brocade.com	Vendor Advisory

Hyperlink: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289

Source: sirt@brocade.com

Resource:

Vendor Advisory