CVE-2022-32138 (GCVE-0-2022-32138)
Vulnerability from cvelistv5 – Published: 2022-06-24 07:46 – Updated: 2024-09-17 01:47
VLAI
EPSS
VEX
Title
CODESYS runtime system prone to denial of service due to Unexpected Sign Extension
Summary
In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.
Severity
8.8 (High)
CWE
- CWE-194 - Unexpected Sign Extension
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://customers.codesys.com/index.php?eID=dumpF… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| CODESYS | Runtime Toolkit |
Affected:
V2 , < V2.4.7.57
(custom)
|
guessed | |
| CODESYS | PLCWinNT |
Affected:
V2 , < V2.4.7.57
(custom)
|
guessed |
Date Public
2022-06-15 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T07:32:56.049Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"platforms": [
"32 bit"
],
"product": "Runtime Toolkit",
"vendor": "CODESYS",
"versions": [
{
"lessThan": "V2.4.7.57",
"status": "affected",
"version": "V2",
"versionType": "custom"
}
]
},
{
"product": "PLCWinNT",
"vendor": "CODESYS",
"versions": [
{
"lessThan": "V2.4.7.57",
"status": "affected",
"version": "V2",
"versionType": "custom"
}
]
}
],
"datePublic": "2022-06-15T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-194",
"description": "CWE-194: Unexpected Sign Extension",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-06-24T07:46:21.000Z",
"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=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CODESYS runtime system prone to denial of service due to Unexpected Sign Extension",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"DATE_PUBLIC": "2022-06-15T12:47:00.000Z",
"ID": "CVE-2022-32138",
"STATE": "PUBLIC",
"TITLE": "CODESYS runtime system prone to denial of service due to Unexpected Sign Extension"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Runtime Toolkit",
"version": {
"version_data": [
{
"platform": "32 bit",
"version_affected": "\u003c",
"version_name": "V2",
"version_value": "V2.4.7.57"
}
]
}
},
{
"product_name": "PLCWinNT",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "V2",
"version_value": "V2.4.7.57"
}
]
}
}
]
},
"vendor_name": "CODESYS"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-194: Unexpected Sign Extension"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download=",
"refsource": "CONFIRM",
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
}
]
},
"source": {
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2022-32138",
"datePublished": "2022-06-24T07:46:21.898Z",
"dateReserved": "2022-05-31T00:00:00.000Z",
"dateUpdated": "2024-09-17T01:47:02.194Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2022-32138",
"date": "2026-09-24",
"epss": "0.0119",
"percentile": "0.66586"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2B26FF87-3FCD-496E-97C5-A1E4F6AACCB1",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*",
"matchCriteriaId": "CF74E74E-4EF8-4C84-A9A1-612AB7FC88BA",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite."
},
{
"lang": "es",
"value": "En diversos productos CODESYS, un atacante remoto puede dise\u00f1ar una petici\u00f3n que puede causar una extensi\u00f3n de signo inesperada, resultando en una condici\u00f3n de negaci\u00f3n de servicio o sobreescritura de memoria"
}
],
"id": "CVE-2022-32138",
"lastModified": "2024-11-21T07:05:49.447",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
},
"published": "2022-06-24T08:15:07.837",
"references": [
{
"source": "info@cert.vde.com",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-194"
}
],
"source": "info@cert.vde.com",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"platforms": [
"32 bit"
],
"product": "Runtime Toolkit",
"vendor": "CODESYS",
"versions": [
{
"lessThan": "V2.4.7.57",
"status": "affected",
"version": "V2",
"versionType": "custom"
}
]
},
{
"product": "PLCWinNT",
"vendor": "CODESYS",
"versions": [
{
"lessThan": "V2.4.7.57",
"status": "affected",
"version": "V2",
"versionType": "custom"
}
]
}
],
"source": "info@cert.vde.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*",
"matchCriteriaId": "2B26FF87-3FCD-496E-97C5-A1E4F6AACCB1",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*",
"matchCriteriaId": "CF74E74E-4EF8-4C84-A9A1-612AB7FC88BA",
"versionEndExcluding": "2.4.7.57",
"versionStartIncluding": "2.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite."
},
{
"lang": "es",
"value": "En diversos productos CODESYS, un atacante remoto puede dise\u00f1ar una petici\u00f3n que puede causar una extensi\u00f3n de signo inesperada, resultando en una condici\u00f3n de negaci\u00f3n de servicio o sobreescritura de memoria"
}
],
"id": "CVE-2022-32138",
"lastModified": "2026-06-17T04:46:44.773",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
},
"published": "2022-06-24T08:15:07.837",
"references": [
{
"source": "info@cert.vde.com",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17139\u0026token=ec67d15a433b61c77154166c20c78036540cacb0\u0026download="
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-194"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T12:20:39+00:00",
"cve": "CVE-2022-32138",
"id": "CVE-2022-32138",
"initial_release_date": "2022-06-15T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CODESYS runtime system prone to denial of service due to Unexpected Sign Extension",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-32138.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…