CVE-2021-31399
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.
2N Access Unit是捷克2N公司的一个智能门禁阅读器。 2N Access Unit 存在安全漏洞，该漏洞源于在2N Access Unit 2.0,2.31.0.40.5设备上，攻击者可利用该漏洞伪装成web中继进行中间人攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-31399
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On 2N Access Unit 2.0 2.31.0.40.5 devices, an attacker can pose as the web relay for a man-in-the-middle attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
2N Access Unit 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
2N Access Unit是捷克2N公司的一个智能门禁阅读器。 2N Access Unit 存在安全漏洞，该漏洞源于在2N Access Unit 2.0,2.31.0.40.5设备上，攻击者可利用该漏洞伪装成web中继进行中间人攻击。
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-2021-31399
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-31399 (3)
-
https://www.2n.cz/en_GB/products/ip-access-control/2n-access-unit-2 x_refsource_MISC
-
https://excellium-services.com/cert-xlm-advisory/cve-2021-31399/ x_refsource_MISC
Same Patch Batch · n/a · 2021-08-13 · 57 CVEs total
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| CVE-2021-21830 | AT&T Labs Xmill 缓冲区错误漏洞 | |
| CVE-2021-21812 | AT&T Labs Xmill 缓冲区错误漏洞 | |
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| CVE-2021-21829 | AT&T Labs Xmill 缓冲区错误漏洞 | |
| CVE-2021-21814 | AT&T Labs Xmill 参数注入漏洞 | |
| CVE-2021-36788 | TYPO3 跨站脚本漏洞 | |
| CVE-2020-18759 | MAC1100 PLC 信息泄露漏洞 | |
| CVE-2020-18758 | MAC1100 PLC 命令注入漏洞 | |
| CVE-2021-36785 | TYPO3 跨站脚本漏洞 | |
| CVE-2020-18756 | MAC1100 PLC 缓冲区错误漏洞 | |
| CVE-2020-18754 | MAC1100 PLC 信息泄露漏洞 | |
| CVE-2020-18753 | MAC1100 PLC 安全漏洞 | |
| CVE-2021-36792 | TYPO3 安全漏洞 | |
| CVE-2021-36791 | TYPO3 信息泄露漏洞 | |
| CVE-2021-36790 | TYPO3 跨站脚本漏洞 | |
| CVE-2021-36789 | TYPO3 SQL注入漏洞 | |
| CVE-2021-36380 | Sunhillo SureLine 操作系统命令注入漏洞 | |
| CVE-2021-37028 | HG8045Q 操作系统命令注入漏洞 |
Showing top 20 of 57 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-31399
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