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Rapid7CVELIST:CVE-2019-5636HistoryNov 21, 2019 - 7:16 p.m.
CVE-2019-5636 Beckhoff TwinCAT Discovery Service Denial of Service
2019-11-2119:16:12
CWE-404
rapid7
www.cve.org
1
CVSS3
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.001
Percentile
48.8%
When a Beckhoff TwinCAT Runtime receives a malformed UDP packet, the ADS Discovery Service shuts down. Note that the TwinCAT devices are still performing as normal. This issue affects TwinCAT 2 version 2304 (and prior) and TwinCAT 3.1 version 4204.0 (and prior).
CNA Affected
[
{
"product": "TwinCAT 2",
"vendor": "Beckhoff",
"versions": [
{
"lessThanOrEqual": "2304",
"status": "affected",
"version": "2304",
"versionType": "custom"
}
]
},
{
"product": "TwinCAT 3.1",
"vendor": "Beckhoff",
"versions": [
{
"lessThanOrEqual": "4204.0",
"status": "affected",
"version": "4204.0",
"versionType": "custom"
}
]
}
]Related
nessus
nessus
Beckhoff Twincat Improper Resource Shutdown or Release
2020-05-27 00:00:00
prion
prion
Code injection
2019-11-21 20:15:00
nvd
nvd
CVE-2019-5636
2019-11-21 20:15:15
cve
cve
CVE-2019-5636
2019-11-21 20:15:15
CVSS3
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.001
Percentile
48.8%
Related for CVELIST:CVE-2019-5636