CVE-2013-6920

Severity Score

10.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Los controladores Siemens SINAMICS S/G con firmware anterior a 4.6.11 no requiere autenticación para sesiones FTP y TELNET, lo que permite a atacantes remotos evadir restricciones de acceso intencionadas a través de trafico TCP al puerto (1) 21 o (2) 23.

*Credits: N/A

CVSS Scores

NISTv2 10.0

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2013-12-02 CVE Reserved
2013-12-07 CVE Published
2023-03-07 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (3)

URL	Tag	Source
http://ics-cert.us-cert.gov/advisories/ICSA-13-338-01	Us Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-742938.pdf	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-742938.pdf	2020-02-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G110 Search vendor "Siemens" for product "Sinamics G110"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G110d Search vendor "Siemens" for product "Sinamics G110d"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G120 Search vendor "Siemens" for product "Sinamics G120"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G120c Search vendor "Siemens" for product "Sinamics G120c"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G120d Search vendor "Siemens" for product "Sinamics G120d"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G120p Search vendor "Siemens" for product "Sinamics G120p"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G130 Search vendor "Siemens" for product "Sinamics G130"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G150 Search vendor "Siemens" for product "Sinamics G150"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics G180 Search vendor "Siemens" for product "Sinamics G180"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics S110 Search vendor "Siemens" for product "Sinamics S110"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics S120 Search vendor "Siemens" for product "Sinamics S120"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics S120cm Search vendor "Siemens" for product "Sinamics S120cm"	-	-	Affected
Siemens Search vendor "Siemens"	Sinamics S\/g Family Firmware Search vendor "Siemens" for product "Sinamics S\/g Family Firmware"	<= 4.6 Search vendor "Siemens" for product "Sinamics S\/g Family Firmware" and version " <= 4.6"	-	Affected	in	Siemens Search vendor "Siemens"	Sinamics S150 Search vendor "Siemens" for product "Sinamics S150"	-	-	Affected