CVE-2021-34593
Vulnerability from cvelistv5
Published
2021-10-26 09:55
Modified
2024-09-17 04:10
Severity ?
EPSS score ?
Summary
CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service
References
▼ | URL | Tags | |
---|---|---|---|
info@cert.vde.com | http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html | Exploit, Third Party Advisory, VDB Entry | |
info@cert.vde.com | http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html | Exploit, Third Party Advisory, VDB Entry | |
info@cert.vde.com | http://seclists.org/fulldisclosure/2021/Oct/64 | Mailing List, Third Party Advisory | |
info@cert.vde.com | https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16877&token=8faab0fc1e069f4edfca5d5aba8146139f67a175&download= | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
CODESYS | CODESYS V2 |
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Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC." } ], "metrics": [ { "cvssV3_1": { "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" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-755", "description": "CWE-755 Improper Handling of Exceptional Conditions", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-02-04T19:06:19", "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "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", "tags": [ "mailing-list", "x_refsource_FULLDISC" ], "url": "http://seclists.org/fulldisclosure/2021/Oct/64" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html" } ], "solutions": [ { "lang": "en", "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" }, "title": "CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service", "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "info@cert.vde.com", "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" } ] } } ] }, "vendor_name": "CODESYS" } ] } }, "credit": [ { "lang": "eng", "value": "This issue was discovered by Steffen Robertz and Gerhard Hechenberger from the SEC Consult Vulnerability Lab." } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "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": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-755 Improper Handling of Exceptional Conditions" } ] } ] }, "references": { "reference_data": [ { "name": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16877\u0026token=8faab0fc1e069f4edfca5d5aba8146139f67a175\u0026download=", "refsource": "CONFIRM", "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": "en", "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" } } } }, "cveMetadata": { "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "assignerShortName": "CERTVDE", "cveId": "CVE-2021-34593", "datePublished": "2021-10-26T09:55:51.381906Z", "dateReserved": "2021-06-10T00:00:00", "dateUpdated": "2024-09-17T04:10:03.625Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-34593\",\"sourceIdentifier\":\"info@cert.vde.com\",\"published\":\"2021-10-26T10:15:08.013\",\"lastModified\":\"2022-04-12T18:05:25.237\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"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. 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Los programas de PLC en ejecuci\u00f3n pueden detenerse, puede perderse la memoria, o puede bloquearse el acceso de otros clientes de comunicaci\u00f3n al PLC\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-755\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.4.7.56\",\"matchCriteriaId\":\"4AD330AD-254E-4E3E-A17E-BE08305AFBA0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*\",\"versionEndExcluding\":\"2.4.7.56\",\"matchCriteriaId\":\"EC36E0FD-2487-4BA0-9EB8-174D30FD4DFB\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/164716/CODESYS-2.4.7.0-Denial-Of-Service.html\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/165874/WAGO-750-8xxx-PLC-Denial-Of-Service-User-Enumeration.html\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://seclists.org/fulldisclosure/2021/Oct/64\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16877\u0026token=8faab0fc1e069f4edfca5d5aba8146139f67a175\u0026download=\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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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.
- 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.