CVE-2021-27792
Brocade Fabric OS Authenticated Input Validation Bignum
Description
The request handling functions in web management interface of Brocade Fabric OS versions before v9.0.1a, v8.2.3a, and v7.4.2h do not properly handle malformed user input, resulting in a service crash. An authenticated attacker could use this weakness to cause the FOS HTTP application handler to crash, requiring a reboot.
INFO
Published Date :
Aug. 12, 2021, 3:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-27792.
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).
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The following list is the news that have been mention
CVE-2021-27792 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27792 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 -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-20 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Aug. 23, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://security.netapp.com/advisory/ntap-20210819-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20210819-0002/ Third Party Advisory Changed Reference Type https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490 No Types Assigned https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490 Vendor Advisory Changed Reference Type https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1492 No Types Assigned https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1492 Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* versions up to (excluding) 7.4.2h *cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.2.3a *cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.1a -
CVE Modified by [email protected]
Aug. 20, 2021
Action Type Old Value New Value Changed Description 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. The request handling functions in web management interface of Brocade Fabric OS versions before v9.0.1a, v8.2.3a, and v7.4.2h do not properly handle malformed user input, resulting in a service crash. An authenticated attacker could use this weakness to cause the FOS HTTP application handler to crash, requiring a reboot. Added Reference https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1490 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 19, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210819-0002/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27792 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-2021-27792
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.10264
percentile