CVE-2014-5414 (GCVE-0-2014-5414)

Vulnerability from cvelistv5 – Published: 2016-10-05 10:00 – Updated: 2025-11-04 23:09
VLAI?
Summary
Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force attack.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Beckhoff Embedded PC Images Affected: 0 , < October 22, 2014 (custom)
Create a notification for this product.
Credits
Gregor Bonney from FH Aachen University of Applied Sciences
Show details on NVD website
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              "value": "\u003cp\u003eBeckhoff recommends in their IPC Security Manual \n(\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://download.beckhoff.com/download/Document/ipc/industrial-pc/ipc_security_en.pdf\"\u003ehttps://download.beckhoff.com/download/Document/ipc/industrial-pc/ipc_security_en.pdf\u003c/a\u003e)\n to use network and software firewalls to block all network ports except\n the ones that are needed. Beckhoff also recommends that default \npasswords be changed during commissioning before connecting systems to \nthe network.\u003c/p\u003e\n\u003cp\u003eIn their advisories (Advisory 2014-001: Potential \nmisuse of several administrative services, \n\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-001.pdf\"\u003ehttps://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-001.pdf\u003c/a\u003e. Advisory 2014-002: ADS communication port allows password bruteforce, \n\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-002.pdf\"\u003ehttps://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-002.pdf\u003c/a\u003e. Advisory2014-003: Recommendation to change default passwords, \n\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-003.pdf\"\u003ehttps://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-003.pdf\u003c/a\u003e\u0026nbsp;which were published November \n17, 2014) for these issues, Beckhoff also recommends the following \nmitigation solutions:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eUpdate images to build October 22, 2014, or newer, which solve these problems by disabling the services by default.\u003c/li\u003e\n\u003cli\u003eDisable the Windows CE Remote Configuration Tool by deleting the \nsubtree \u201c/remoteadmin.\u201d The configuration of the web server paths can be\n found in the Windows registry at the path \n\u201cHKEY_LOCAL_MACHINE\\COMM\\HTTPD\\VROOTS\\.\u201d\u003c/li\u003e\n\u003cli\u003eDisable startup of CE Remote Display service (cerdisp.exe) with \ndeleting the registry key containing the \u201cCeRDisp.exe\u201d \n[-HKEY_LOCAL_MACHINE\\init\\Launch90].\u003c/li\u003e\n\u003cli\u003eDisable telnet by setting the registry key [HKEY_LOCAL_MACHINE\\Services\\TELNETD\\Flags] to dword: 4\u003c/li\u003e\n\u003cli\u003eRestrict ADS communication to trusted networks only.\u003c/li\u003e\n\u003c/ul\u003e\n\n\u003cbr\u003e"
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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