CVE-2021-33528— WEIDMUELLER: WLAN devices affected by privilege escalation vulnerability
Quick assessment
Affected
Weidmüller IE-WL(T)-BL-AP-CL-XX
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.
Weidmueller Industrial WLAN devices是德国Weidmueller公司的一个工控WIAN。 Weidmueller Industrial WLAN 存在安全漏洞，该漏洞源于特制的菜单选择字符串可能会导致从受限控制台逃逸，从而导致作为根用户访问系统，攻击者可利用该漏洞在身份验证为低权限用户时发送命令来触发此漏洞。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-33528
Vulnerability Information
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Vulnerability Title
WEIDMUELLER: WLAN devices affected by privilege escalation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
In Weidmueller Industrial WLAN devices in multiple versions an exploitable privilege escalation vulnerability exists in the iw_console functionality. A specially crafted menu selection string can cause an escape from the restricted console, resulting in system access as the root user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
编程规范违背
Source: CVE Program / CVE List V5
Vulnerability Title
Weidmueller Industrial WLAN devices安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weidmueller Industrial WLAN devices是德国Weidmueller公司的一个工控WIAN。 Weidmueller Industrial WLAN 存在安全漏洞，该漏洞源于特制的菜单选择字符串可能会导致从受限控制台逃逸，从而导致作为根用户访问系统，攻击者可利用该漏洞在身份验证为低权限用户时发送命令来触发此漏洞。
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 |
|---|---|---|---|---|
| Weidmüller | IE-WL(T)-BL-AP-CL-XX | IE-WL-BL-AP-CL-EU (2536600000) ~ V1.16.18 (Build 18081617) | - |
|
| Weidmüller | IE-WL(T)-VL-AP-CL-XX | IE-WL-VL-AP-BR-CL-EU (2536680000) ~ V1.11.10 (Build 18122616) | - |
|
II. Public POCs for CVE-2021-33528
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-33528 (1)
-
https://cert.vde.com/en-us/advisories/vde-2021-026 x_refsource_CONFIRM
Same Patch Batch · Weidmüller · 2021-06-25 · 12 CVEs total
| CVE-2021-33530 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33531 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability |
| CVE-2021-33532 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33533 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33535 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by exploitable format string vulnerability |
| CVE-2021-33537 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by Remote Code Execution (RCE) vulnerability |
| CVE-2021-33538 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by improper access control vulnerability |
| CVE-2021-33529 | 7.5 HIGH | WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability |
| CVE-2021-33536 | 7.5 HIGH | WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability |
| CVE-2021-33534 | 7.2 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33539 | 7.2 HIGH | WEIDMUELLER: WLAN devices affected by authentication bypass vulnerability |
IV. Related Vulnerabilities
Same product: IE-WL(T)-BL-AP-CL-XX
-
CVE-2021-33539
WEIDMUELLER: WLAN devices affected by authentication bypass -
CVE-2021-33538
WEIDMUELLER: WLAN devices affected by improper access contro -
CVE-2021-33537
WEIDMUELLER: WLAN devices affected by Remote Code Execution -
CVE-2021-33536
WEIDMUELLER: WLAN devices affected by Denial-of-Service vuln -
CVE-2021-33535
WEIDMUELLER: WLAN devices affected by exploitable format str
Same vendor: Weidmüller
-
CVE-2021-33539
WEIDMUELLER: WLAN devices affected by authentication bypass -
CVE-2021-33538
WEIDMUELLER: WLAN devices affected by improper access contro -
CVE-2021-33537
WEIDMUELLER: WLAN devices affected by Remote Code Execution -
CVE-2021-33536
WEIDMUELLER: WLAN devices affected by Denial-of-Service vuln -
CVE-2021-33535
WEIDMUELLER: WLAN devices affected by exploitable format str
Same weakness: CWE-710
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V. Comments for CVE-2021-33528
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