CVE-2021-33540— Phoenix Contact: Undocumented FTP acces in certain AXL F BK and IL BK devices
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I. Basic Information for CVE-2021-33540
Vulnerability Information
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Vulnerability Title
Phoenix Contact: Undocumented FTP acces in certain AXL F BK and IL BK devices
Source: NVD (National Vulnerability Database)
Vulnerability Description
In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的凭证
Source: NVD (National Vulnerability Database)
Vulnerability Title
Phoenix Contact AXL F BK and IL BK 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact AXL F BK PN是德国菲尼克斯电气（Phoenix Contact）公司的一款总线耦合器。 Phoenix Contact AXL F BK and IL BK 存在安全漏洞，该漏洞源于程序存在对根目录的未记录密码保护的FTP访问。
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 |
|---|---|---|---|---|
| Phoenix Contact | AXL F BK | AXL F PN TPS XC (1068857) ~ 1.30 | - | |
| Phoenix Contact | AXL F BK | AXL F PN TPS (2403869) ~ 1.30 | - | |
| Phoenix Contact | AXL F BK | AXL F EIP (2688394) ~ 1.30 | - | |
| Phoenix Contact | AXL F BK | AXL F PN (2701815) all revisions | - | |
| Phoenix Contact | IL | IL PN BK-PAC (2403696) all revisions | - |
II. Public POCs for CVE-2021-33540
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://cert.vde.com/en-us/advisories/vde-2021-021x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-33540
Same Patch Batch · Phoenix Contact · 2021-06-25 · 7 CVEs total
| CVE-2021-33542 | 7.8 HIGH | Phoenix Contact: Automation Worx Software Suite affected by Remote Code Execution (RCE) vu |
| CVE-2021-21002 | 7.5 HIGH | Denial of Service in Phoenix Contact FL COMSERVER UNI products |
| CVE-2021-21005 | 7.5 HIGH | Race Condition Vulnerability in Phoenix Contact FL SWITCH SMCS series products |
| CVE-2021-33541 | 7.5 HIGH | Phoenix Contact: ILC1x Industrial controllers affected by Denial-of-Service vulnerability |
| CVE-2021-21004 | 7.4 HIGH | Cross-site Scripting Vulnerability in Phoenix Contact FL SWITCH SMCS series products |
| CVE-2021-21003 | 5.3 MEDIUM | Denial of Service Vulnerability in Phoenix Contact FL SWITCH SMCS series products |
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V. Comments for CVE-2021-33540
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