CVE-2021-27891
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
SSH.COM SSH Tectia Client and Server是芬兰 （SSH.COM）公司的一个应用软件。用于安全的文件传输和远程访问。 SSH Tectia Client and Server before 6.4.19 存在安全漏洞，该漏洞源于密钥生成较弱。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2021-27891
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
SSH.COM SSH Tectia Client and Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSH.COM SSH Tectia Client and Server是芬兰 （SSH.COM）公司的一个应用软件。用于安全的文件传输和远程访问。 SSH Tectia Client and Server before 6.4.19 存在安全漏洞，该漏洞源于密钥生成较弱。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-27891
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-27891 (1)
-
https://info.ssh.com/tectia-vulnerability-cve-2021-27891 x_refsource_MISC
Same Patch Batch · n/a · 2021-03-15 · 45 CVEs total
| CVE-2021-23355 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-23356 | 5.6 MEDIUM | Arbitrary Command Injection |
| CVE-2021-28378 | 3.7 LOW | Gitea 跨站脚本漏洞 |
| CVE-2021-23357 | 3.3 LOW | Directory Traversal |
| CVE-2021-3167 | Cloudera Data Engineering 信息泄露漏洞 | |
| CVE-2021-27893 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27892 | SSH.COM SSH Tectia Client and Server 安全漏洞 | |
| CVE-2021-27208 | Xilinx Zynq-7000 安全特征问题漏洞 | |
| CVE-2021-28379 | Vesta Control Panel 代码问题漏洞 | |
| CVE-2021-28374 | Debian courier-authlib 配置错误漏洞 | |
| CVE-2021-28375 | Linux kernel 安全漏洞 | |
| CVE-2021-28363 | urllib3 信任管理问题漏洞 | |
| CVE-2020-35358 | Domainmod 代码问题漏洞 | |
| CVE-2021-26924 | Argo 跨站脚本漏洞 | |
| CVE-2021-26923 | Argo 信息泄露漏洞 | |
| CVE-2021-27695 | Tecnoteca openMAINT 跨站脚本漏洞 | |
| CVE-2020-24877 | Depy zzzphp SQL注入漏洞 | |
| CVE-2021-27817 | ShopXO 代码问题漏洞 | |
| CVE-2021-27889 | MyBB 跨站脚本漏洞 | |
| CVE-2021-27890 | MyBB SQL注入漏洞 |
Showing top 20 of 45 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-27891
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