Brocade Fabric OS 7.3.1d/7.4.1b path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Brocade Fabric OS 7.3.1d/7.4.1b. It has been classified as critical. This affects some unknown functionality. The manipulation with an unknown input leads to a directory traversal vulnerability. CWE is classifying the issue as CWE-22. The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. The impact remains unknown. The summary by CVE is:

** 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.

The weakness was shared 08/06/2022. The advisory is shared at broadcom.com. This vulnerability is uniquely identified as CVE-2021-27798 since 02/26/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading eliminates this vulnerability.

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Directory traversal
CWE: CWE-22
ATT&CK: T1006

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: broadcom.com

Timelineinfo

02/26/2021 CVE reserved
08/06/2022 +525 days Advisory disclosed
08/06/2022 +0 days VulDB entry created
08/06/2022 +0 days VulDB last update

Sourcesinfo

Advisory: broadcom.com
Status: Confirmed

CVE: CVE-2021-27798 (🔒)

Entryinfo

Created: 08/06/2022 08:24 AM
Changes: (18) vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_e vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_rc vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_vuldb_e advisory_date exploit_price_0day
Complete: 🔍

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