gsd-2021-34593
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-34593",
"description": "In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.",
"id": "GSD-2021-34593",
"references": [
"https://packetstormsecurity.com/files/cve/CVE-2021-34593"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-34593"
],
"details": "In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.",
"id": "GSD-2021-34593",
"modified": "2023-12-13T01:23:14.295813Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2021-10-25T14:00:00.000Z",
"ID": "CVE-2021-34593",
"STATE": "PUBLIC",
"TITLE": "CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "CODESYS V2 ",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "Runtime Toolkit 32 bit full",
"version_value": "V2.4.7.56"
},
{
"version_affected": "\u003c",
"version_name": "PLCWinNT",
"version_value": "V2.4.7.56"
}
]
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}
]
},
"vendor_name": "CODESYS"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "This issue was discovered by Steffen Robertz and Gerhard Hechenberger from the SEC Consult Vulnerability Lab."
}
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"data_format": "MITRE",
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"data_version": "4.0",
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"value": "In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC."
}
]
},
"generator": {
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},
"impact": {
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
"problemtype": {
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"description": [
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"lang": "eng",
"value": "CWE-755 Improper Handling of Exceptional Conditions"
}
]
}
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},
"references": {
"reference_data": [
{
"name": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16877\u0026token=8faab0fc1e069f4edfca5d5aba8146139f67a175\u0026download=",
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"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16877\u0026token=8faab0fc1e069f4edfca5d5aba8146139f67a175\u0026download="
},
{
"name": "20211029 SEC Consult SA-20211028-0 :: Denial of Service in CODESYS V2",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2021/Oct/64"
},
{
"name": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html"
},
{
"name": "http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html"
}
]
},
"solution": [
{
"lang": "eng",
"value": "CODESYS GmbH has released the following product versions to solve the noted vulnerability issue for the affected CODESYS products:\n * CODESYS Runtime Toolkit 32 bit full version V2.4.7.56\n * CODESYS PLCWinNT version V2.4.7.56. This will also be part of the CODESYS Development System setup version V2.3.9.68."
}
],
"source": {
"defect": [
"VDE-2021-049"
],
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
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"nodes": [
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"children": [],
"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.4.7.56",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*",
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"versionEndExcluding": "2.4.7.56",
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}
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"operator": "OR"
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"ID": "CVE-2021-34593"
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}
]
},
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"name": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16877\u0026token=8faab0fc1e069f4edfca5d5aba8146139f67a175\u0026download=",
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"tags": [
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},
{
"name": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html",
"refsource": "MISC",
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"url": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html"
},
{
"name": "20211029 SEC Consult SA-20211028-0 :: Denial of Service in CODESYS V2",
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}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-04-12T18:05Z",
"publishedDate": "2021-10-26T10:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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