CVE-2021-27797
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I. Basic Information for CVE-2021-27797
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x contain documented hard-coded credentials, which could allow attackers to gain access to the system.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Brocade Fabric OS 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brocade Fabric OS（FOS）是美国博科（Brocade）公司的一套使用在交换机和路由器等设备中的嵌入式操作系统。 Brocade Fabric OS 存在信任管理问题漏洞，攻击者可利用该漏洞通过硬编码凭证绕过Brocade Fabric OS的限制，以获得用户权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Brocade Fabric OS | Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x | - |
II. Public POCs for CVE-2021-27797
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-02-21 · 12 CVEs total
| CVE-2022-25297 | 7.5 HIGH | Arbitrary File Write |
| CVE-2021-4115 | polkit 安全漏洞 | |
| CVE-2021-44141 | samba 后置链接漏洞 | |
| CVE-2022-0563 | util-linux 安全漏洞 | |
| CVE-2021-45008 | Plesk Cms 访问控制错误漏洞 | |
| CVE-2022-24553 | Zfaka 代码问题漏洞 | |
| CVE-2021-44568 | libsolv 缓冲区错误漏洞 | |
| CVE-2021-27753 | HCL Sametime 路径遍历漏洞 | |
| CVE-2021-27755 | HCL Sametime 安全漏洞 | |
| CVE-2021-27796 | Brocade Fabric OS 安全漏洞 | |
| CVE-2022-24564 | Checkmk 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same product: Brocade Fabric OS
- CVE-2025-4663
Denial-of-Service (DoS) after Unusual or Exceptional Conditi - CVE-2024-5461
Command or parameter injection via unique embedded switch SN - CVE-2024-5462
Brocade Fabric OS may capture SNMP Passwords in clear text - CVE-2023-4163
Possible buffer overflow in portcfgfportbuffers in Brocade F - CVE-2023-31430
buffer overflow vulnerability in “secpolicydelete” command
Same vendor: n/a
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-27797
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