CVE-2013-6920
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.
Siemens SINAMICS S/G controllers是德国西门子（Siemens）公司的一套用于机械工程及工厂建设中的变频器设备。 使用4.6及之前版本固件的Siemens SINAMICS S/G控制器中存在身份认证绕过漏洞，该漏洞源于FTP和TELNET会话没有执行身份验证操作。远程攻击者可利用该漏洞绕过既定的访问限制，执行管理员操作。
Possible ATT&CK Techniques 1 AI
T1021 · Remote Services
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I. Basic Information for CVE-2013-6920
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Siemens SINAMICS S/G controllers with firmware before 4.6.11 do not require authentication for FTP and TELNET sessions, which allows remote attackers to bypass intended access restrictions via TCP traffic to port (1) 21 or (2) 23.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens SINAMICS S/G控制器身份认证绕过漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens SINAMICS S/G controllers是德国西门子（Siemens）公司的一套用于机械工程及工厂建设中的变频器设备。 使用4.6及之前版本固件的Siemens SINAMICS S/G控制器中存在身份认证绕过漏洞，该漏洞源于FTP和TELNET会话没有执行身份验证操作。远程攻击者可利用该漏洞绕过既定的访问限制，执行管理员操作。
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-2013-6920
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2013-6920 (1)
-
https://cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf x_refsource_CONFIRM
Other References for CVE-2013-6920 (2)
-
http://ics-cert.us-cert.gov/advisories/ICSA-13-338-01 x_refsource_MISC
Same Patch Batch · n/a · 2013-12-07 · 53 CVEs total
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| CVE-2013-4558 | Apache Subversion ‘mod_dav_svn’模块拒绝服务漏洞 | |
| CVE-2013-4505 | Apache Subversion 安全绕过漏洞 | |
| CVE-2013-4479 | Sup ‘message_chunks.rb’远程命令注入漏洞 |
Showing top 20 of 53 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2013-6920
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