CVE-2021-26264— Emerson DeltaV Missing Authentication for Critical Function
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.
Emerson Electric Emerson DeltaV Distributed Control System是美国艾默生电气（Emerson Electric）公司的一套自动化分布式控制系统。该系统包括网络安全管理、报警管理、批量控制和变更管理等功能。 Emerson DeltaV Distributed Control System Controllers 和 Workstations存在访问控制错误漏洞，攻击者可利用该漏洞通过精心构建的脚本导致控制器重新启动并造成拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-26264
Vulnerability Information
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Vulnerability Title
Emerson DeltaV Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Emerson Electric Emerson DeltaV Distributed Control System 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emerson Electric Emerson DeltaV Distributed Control System是美国艾默生电气（Emerson Electric）公司的一套自动化分布式控制系统。该系统包括网络安全管理、报警管理、批量控制和变更管理等功能。 Emerson DeltaV Distributed Control System Controllers 和 Workstations存在访问控制错误漏洞，攻击者可利用该漏洞通过精心构建的脚本导致控制器重新启动并造成拒绝服务。
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-2021-26264
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-26264 (1)
-
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04 x_refsource_MISC
Same Patch Batch · n/a · 2022-01-28 · 154 CVEs total
| CVE-2021-23484 | 9.8 CRITICAL | Arbitrary File Write via Archive Extraction (Zip Slip) |
| CVE-2021-44463 | 8.1 HIGH | Emerson DeltaV Uncontrolled Search Path Element |
| CVE-2022-22992 | 7.8 HIGH | Command Injection Remote Code Execution vulnerability on Western Digital My Cloud devices. |
| CVE-2021-23558 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-31567 | 6.8 MEDIUM | WordPress Download Monitor plugin <= 4.4.6 - Authenticated Arbitrary File Download vulnera |
| CVE-2022-22791 | 6.6 MEDIUM | SYNEL - eharmony Authenticated Blind & Stored XSS |
| CVE-2021-23863 | 6.1 MEDIUM | Bosch Video Security 跨站脚本漏洞 |
| CVE-2022-21719 | 6.1 MEDIUM | Reflected XSS using reload button in GLPI |
| CVE-2022-21721 | 5.9 MEDIUM | DOS Vulnerability in next.js |
| CVE-2021-23760 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2022-22790 | 5.6 MEDIUM | SYNEL - eharmony Directory Traversal |
| CVE-2022-21720 | 4.9 MEDIUM | SQL injection using custom CSS administration form in GLPI |
| CVE-2022-23979 | 4.8 MEDIUM | WordPress Ultimate Reviews plugin <= 3.0.15 - Authenticated Stored Cross-Site Scripting (X |
| CVE-2022-23599 | 4.3 MEDIUM | Cross-site Scripting and Open Redirect in Products.ATContentTypes |
| CVE-2021-40340 | 3.7 LOW | OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product |
| CVE-2021-40339 | 3.7 LOW | OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product |
| CVE-2021-40338 | 3.7 LOW | OWASP Related Vulnerabilities in Hitachi Energy’s LinkOne Product |
| CVE-2022-23889 | YzmCMS 安全漏洞 | |
| CVE-2021-44371 | Reolink Rlc-410W 输入验证错误漏洞 | |
| CVE-2021-44372 | Reolink Rlc-410W 输入验证错误漏洞 |
Showing top 20 of 154 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-26264
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