5.5
MEDIUM
CVE-2021-27798
Brocade Fabric OS Privileged Directory Traversal Vulnerability
Description

A vulnerability in Brocade Fabric OS versions v7.4.1b and v7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions v7.4.1.x and v7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life Publish report

INFO

Published Date :

Aug. 5, 2022, 4:15 p.m.

Last Modified :

Aug. 3, 2024, 10:15 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-27798 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Broadcom fabric_operating_system
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-2021-27798.

URL Resource
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2012 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-2021-27798 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-27798 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]

    Aug. 03, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jul. 03, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag Brocade Communications Systems, LLC unsupported-when-assigned
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** UNSUPPORTED WHEN ASSIGNED ** A vulnerability in Brocade Fabric OS versions v7.4.1b and v7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions v7.4.1.x and v7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life Publish report. A vulnerability in Brocade Fabric OS versions v7.4.1b and v7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions v7.4.1.x and v7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life Publish report
  • Initial Analysis by [email protected]

    Aug. 11, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2012 No Types Assigned https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2012 Vendor Advisory
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:o:broadcom:fabric_operating_system:7.3.1d:*:*:*:*:*:*:* *cpe:2.3:o:broadcom:fabric_operating_system:7.4.1b:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-27798 is associated with the following CWEs:

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

0.08473

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability