CVE-2020-12517— Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
Quick assessment
Affected
Phoenix Contact AXC F 1152 (1151412)
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.
Phoenix Contact PLCnext Control Devices是德国Phoenix Contact公司的一款应用于工业环境可编程逻辑控制器。 Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS存在跨站脚本漏洞，该漏洞源于一个经过身份验证的低特权用户可以嵌入恶意Javascript代码，以获得管理员权限时，管理员用户访问脆弱的网站(本地特权升级)。
Possible ATT&CK Techniques 2 AI
T1189 · Drive-by Compromise T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-12517
Vulnerability Information
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Vulnerability Title
Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
Source: CVE Program / CVE List V5
Vulnerability Description
On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
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
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Phoenix Contact PLCnext Control Devices 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact PLCnext Control Devices是德国Phoenix Contact公司的一款应用于工业环境可编程逻辑控制器。 Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS存在跨站脚本漏洞，该漏洞源于一个经过身份验证的低特权用户可以嵌入恶意Javascript代码，以获得管理员权限时，管理员用户访问脆弱的网站(本地特权升级)。
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 | AXC F 1152 (1151412) | unspecified ~ 2021.0 LTS | - |
|
| Phoenix Contact | AXC F 2152 (2404267) | unspecified ~ 2021.0 LTS | - |
|
| Phoenix Contact | AXC F 3152 (1069208) | unspecified ~ 2021.0 LTS | - |
|
| Phoenix Contact | RFC 4072S (1051328 | unspecified ~ 2021.0 LTS | - |
|
| Phoenix Contact | AXC F 2152 Starterkit (1046568) | unspecified ~ 2021.0 LTS | - |
|
| Phoenix Contact | PLCnext Technology Starterkit (1188165) | unspecified ~ 2021.0 LTS | - |
|
II. Public POCs for CVE-2020-12517
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-12517 (1)
-
https://cert.vde.com/en-us/advisories/vde-2020-049 x_refsource_CONFIRM
Same Patch Batch · Phoenix Contact · 2020-12-17 · 5 CVEs total
| CVE-2020-12519 | 8.8 HIGH | Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An attacker can use th |
| CVE-2020-12521 | 6.5 MEDIUM | Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: A specially crafted LL |
| CVE-2020-12518 | 5.5 MEDIUM | Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An attacker can use th |
| CVE-2020-12523 | 5.4 MEDIUM | Phoenix Contact mGuard Devices versions before 8.8.3: LAN ports get functional after reboo |
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