CVE-2021-27795
Brocade Fabric OS License Key Forgery Vulnerability
Description
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.
INFO
Published Date :
Dec. 6, 2023, 2:15 a.m.
Last Modified :
Dec. 11, 2023, 7:44 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-27795.
| URL | Resource |
|---|---|
| https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-27795 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27795 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 11, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289 No Types Assigned https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289 Vendor Advisory Added CWE NIST CWE-327 Added CPE Configuration AND OR *cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* OR cpe:2.3:h:broadcom:brocade_300:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_610:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_6505:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_6510:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_6520:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_7800:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_7810:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_7840:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_g620:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_g630:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_x6-4_director:-:*:*:*:*:*:*:* cpe:2.3:h:broadcom:brocade_x6-8_director:-:*:*:*:*:*:*:* -
CVE Received by [email protected]
Dec. 06, 2023
Action Type Old Value New Value Added Description 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. Added Reference Brocade Communications Systems, LLC https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289 [No types assigned] Added CWE Brocade Communications Systems, LLC CWE-327 Added CVSS V3.1 Brocade Communications Systems, LLC AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27795 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-27795
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.44079
percentile