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Port 20005 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 20005 |
tcp |
netusb |
MoSucker trojan (2010)
[CVE-2015-3036] KCodes NetUSB Linux kernel driver is vulnerable to a buffer overflow via the network over TCP port 20005 that may result in a denial of service or code execution. The KCodes NetUSB driver has been integrated into several routers and network products, including Netgear, TP-Link, Trendnet, etc. An unauthenticated attacker on the local network (and a remote attacker with the default configuration on some devices) can trigger a buffer overflow that may result in a denial of service, or code execution. The vulnerability is triggered by simply specifying a machine name longer than 64 characters.
Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attacker. Remote code execution from the WAN interface (TCP port 20005) cannot be ruled out; however, exploitability was judged to be of "rather significant complexity" but not "impossible." The overflow is in SoftwareBus_dispatchNormalEPMsgOut in the KCodes NetUSB kernel module. Affected NETGEAR devices are D7800 before 1.0.1.68, R6400v2 before 1.0.4.122, and R6700v3 before 1.0.4.122.
References: [CVE-2021-45608] |
SG
|
| 20005 |
tcp |
trojan |
[trojan] MoSucker |
Trojans
|
| 20005 |
tcp |
btx |
xcept4 (Interacts with German Telekom's CEPT videotext service) |
SANS
|
| 20005 |
tcp |
Mosucker |
[trojan] Mosucker |
SANS
|
| 20005 |
tcp |
btx |
xcept4 (Interacts with German Telekom's CEPT videotext service) |
Nmap
|
| 20005 |
tcp,udp |
openwebnet |
OpenWebNet protocol for electric network, registered 2008-04-09 |
IANA
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| 20000-20010 |
udp |
applications |
Cal Ripkens Real Baseball |
Portforward
|
| 20000-21000 |
udp |
applications |
Ground Control |
Portforward
|
| 20000-21000 |
udp |
applications |
Ground Control with Chat Rooms |
Portforward
|
| 20000-20019 |
tcp |
applications |
ICQ |
Portforward
|
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10 records found
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External Resources
SANS ISC: port 20005
Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify
a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly
used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol
on the Internet and any TCP/IP network. TCP enables two hosts
to establish a connection and exchange streams of data. TCP guarantees delivery of data
and that packets will be delivered in the same order in which they were sent.
Guaranteed communication/delivery is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol)
and facilitates the transmission of datagrams from one computer to applications on another computer,
but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received
the message to process any errors and verify correct delivery. UDP is often used with time-sensitive
applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them.
This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command.
We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software.
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