CVE-2021-20612
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I. Basic Information for CVE-2021-20612
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.
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
Mitsubishi Electric MELSEC-F Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC-F Series是日本三菱电机（Mitsubishi Electric）公司的工控设备具有模拟和通信功能可扩展性的基本微型 PLC。 Mitsubishi Electric MELSEC-F Series存在安全漏洞，该漏洞源于软件缺乏管理控制，这可能允许攻击者可利用该漏洞远程发送专门制作的数据包，并导致拒绝服务条件或其他未指定的影响。
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 |
|---|---|---|---|---|
| - | MELSEC-F series FX3U-ENET; MELSEC-F series FX3U-ENET-L; MELSEC-F series FX3U-ENET-P502 | Firmware version 1.14 and prior | - |
II. Public POCs for CVE-2021-20612
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-20612 (2)
- https://jvn.jp/vu/JVNVU93268332/index.htmlx_refsource_MISC
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01x_refsource_MISC
Other References for CVE-2021-20612 (1)
Same Patch Batch · n/a · 2022-01-14 · 61 CVEs total
| CVE-2021-23567 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2021-23566 | 4.0 MEDIUM | Information Exposure |
| CVE-2021-46020 | mruby缓冲区错误漏洞 | |
| CVE-2021-39634 | Google Android 资源管理错误漏洞 | |
| CVE-2021-46169 | Modex 资源管理错误漏洞 | |
| CVE-2021-46168 | Spin缓冲区错误漏洞 | |
| CVE-2021-46021 | GNU Recutils 资源管理错误漏洞 | |
| CVE-2021-1037 | Google Android Automotive OS安全漏洞 | |
| CVE-2021-1036 | Android Automotive Os安全漏洞 | |
| CVE-2021-1035 | Android Automotive Os 安全漏洞 | |
| CVE-2021-39684 | Google Android 安全漏洞 | |
| CVE-2021-39683 | Google Android 缓冲区错误漏洞 | |
| CVE-2021-45773 | lib60870代码问题漏洞 | |
| CVE-2021-39682 | Google Android 缓冲区错误漏洞 | |
| CVE-2021-39681 | Google Android 资源管理错误漏洞 | |
| CVE-2021-39680 | Google Android 信息泄露漏洞 | |
| CVE-2021-39679 | Google Android 资源管理错误漏洞 | |
| CVE-2021-39678 | Google Android 安全漏洞 | |
| CVE-2021-39659 | Google Android 安全漏洞 | |
| CVE-2021-39633 | Google Android 缓冲区错误漏洞 |
Showing top 20 of 61 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-20612
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