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High 7.5
CODESYS: web server vulnerable to DoS
An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.
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High 7.5
CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels
In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.
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High 7.5
CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
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High 7.5
Special HTTP(s) Requests can cause a buffer-read causing a crash of the webserver and the runtime system.
A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.
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High 7.5
Communication Components in multiple CODESYS products vulnerable to communication channel disruption
An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.
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High 8.1
A component of the CODESYS Control runtime system allows read and write access to configuration files
A remote, authenticated attacker could utilize the control program of the CODESYS Control runtime system to use the vulnerability in order to read and modify the configuration file(s) of the affected products.
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High 7.1
Untrusted Pointer Dereference in multiple CODESYS products can lead to a DoS.
An authenticated, remote attacker can gain access to a dereferenced pointer contained in a request. The accesses can subsequently lead to local overwriting of memory in the CmpTraceMgr, whereby the attacker can neither gain the values read internally nor cont…