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CVE-2021-21971

Quick assessment

Affected
n/a Sealevel
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.

Sealevel Systems SeaConnect 370W是美国Sealevel Systems公司的一款工业物联网（Iiot）边缘设备。用于远程监视和控制实际 I/O 进程的状态。 Sealevel Systems SeaConnect 370W 中存在缓冲区错误漏洞，该漏洞源于产品的 OTA update task 功能未对内存边界做有效限制。攻击者可通过特制的网络包导致越界写入并引起拒绝服务。以下产品及版本受到影响：Sealevel Systems SeaConnect 370W v1.3.3

AI Predicted 8.1 Difficulty: Easy EPSS 0.70% · P50
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I. Basic Information for CVE-2021-21971

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds write vulnerability exists in the URL_decode functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to an out-of-bounds write. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Sealevel Systems SeaConnect 370W 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sealevel Systems SeaConnect 370W是美国Sealevel Systems公司的一款工业物联网（Iiot）边缘设备。用于远程监视和控制实际 I/O 进程的状态。 Sealevel Systems SeaConnect 370W 中存在缓冲区错误漏洞，该漏洞源于产品的 OTA update task 功能未对内存边界做有效限制。攻击者可通过特制的网络包导致越界写入并引起拒绝服务。以下产品及版本受到影响：Sealevel Systems SeaConnect 370W v1.3.3
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
- Sealevel Sealevel Systems, Inc. SeaConnect 370W v1.3.34 -

II. Public POCs for CVE-2021-21971

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III. Intelligence Information for CVE-2021-21971

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Other References for CVE-2021-21971 (1)

Same Patch Batch · n/a · 2022-02-04 · 140 CVEs total

CVE-2021-23470 8.2 HIGH Prototype Pollution
CVE-2021-23497 7.5 HIGH Prototype Pollution
CVE-2021-23507 7.5 HIGH Prototype Pollution
CVE-2021-44977 iCMS 路径遍历漏洞
CVE-2022-24448 Linux kernel 安全漏洞
CVE-2021-45408 SeedDMS 输入验证错误漏洞
CVE-2022-24129 Shibboleth 代码问题漏洞
CVE-2021-29398 Northstar Club Management 路径遍历漏洞
CVE-2021-29397 Northstar Club Management 安全漏洞
CVE-2021-29396 Northstar Club Management 授权问题漏洞
CVE-2021-29395 Northstar Club Management 路径遍历漏洞
CVE-2021-29394 Northstar Club Management 安全漏洞
CVE-2021-29393 Northstar Club Management 操作系统命令注入漏洞
CVE-2022-24249 GPAC 代码问题漏洞
CVE-2021-45429 YARA 缓冲区错误漏洞
CVE-2021-43635 Codex 跨站脚本漏洞
CVE-2022-24262 Voipmonitor 代码问题漏洞
CVE-2022-24260 VoIPmonitor SQL注入漏洞
CVE-2022-24259 Voipmonitor 授权问题漏洞
CVE-2021-44899 Micro Star International Center 安全漏洞

Showing top 20 of 140 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Sealevel
Same vendor: n/a
Same weakness: CWE-787

V. Comments for CVE-2021-21971

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