CVE-2020-12514 (GCVE-0-2020-12514)
Vulnerability from cvelistv5 – Published: 2021-01-22 19:01 – Updated: 2024-09-16 19:40
VLAI
EPSS
VEX
Title
Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference
Summary
Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd
Severity
6.6 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2020-038 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Pepper+Fuchs | Comtrol IO-Link Master |
Affected:
unspecified , ≤ 1.5.48
(custom)
|
guessed |
Date Public
2021-01-04 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T11:56:52.085Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2020-038"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Comtrol IO-Link Master",
"vendor": "Pepper+Fuchs",
"versions": [
{
"lessThanOrEqual": "1.5.48",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "T.Weber (SEC Consult Vulnerability Lab) reported this vulnerability. Coordinated by CERT@VDE."
}
],
"datePublic": "2021-01-04T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-476",
"description": "CWE-476 NULL Pointer Dereference",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-01-22T19:01:56.000Z",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2020-038"
}
],
"solutions": [
{
"lang": "en",
"value": "In order to prevent the exploitation of the reported vulnerabilities, we recommend that the\naffected units be updated with the following three firmware packages:\n\nU-Boot bootloader version 1.36 or newer\nSystem image version 1.52 or newer\nApplication base version 1.6.11 or newer"
}
],
"source": {
"advisory": "VDE-2020-038",
"defect": [
"VDE-2020-038"
],
"discovery": "EXTERNAL"
},
"title": "Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"DATE_PUBLIC": "2021-01-04T11:00:00.000Z",
"ID": "CVE-2020-12514",
"STATE": "PUBLIC",
"TITLE": "Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Comtrol IO-Link Master",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_value": "1.5.48"
}
]
}
}
]
},
"vendor_name": "Pepper+Fuchs"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "T.Weber (SEC Consult Vulnerability Lab) reported this vulnerability. Coordinated by CERT@VDE."
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd"
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-476 NULL Pointer Dereference"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en-us/advisories/vde-2020-038",
"refsource": "CONFIRM",
"url": "https://cert.vde.com/en-us/advisories/vde-2020-038"
}
]
},
"solution": [
{
"lang": "en",
"value": "In order to prevent the exploitation of the reported vulnerabilities, we recommend that the\naffected units be updated with the following three firmware packages:\n\nU-Boot bootloader version 1.36 or newer\nSystem image version 1.52 or newer\nApplication base version 1.6.11 or newer"
}
],
"source": {
"advisory": "VDE-2020-038",
"defect": [
"VDE-2020-038"
],
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2020-12514",
"datePublished": "2021-01-22T19:01:56.769Z",
"dateReserved": "2020-04-30T00:00:00.000Z",
"dateUpdated": "2024-09-16T19:40:53.649Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-12514",
"date": "2026-09-24",
"epss": "0.01013",
"percentile": "0.61661"
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_4-eip_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "46C076A1-697F-4EBA-A6EF-C6ABC398B928",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_4-eip:-:*:*:*:*:*:*:*",
"matchCriteriaId": "BBEBC489-E022-4DFC-9CEB-56CFE6390EFE",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "368DCF20-3BD5-4708-9E5A-CC11EA0E6874",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip:-:*:*:*:*:*:*:*",
"matchCriteriaId": "83573CB5-AEFE-496F-B5AC-218CDE60DC74",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_8-eip-l_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "810C9D2D-23CD-4DB0-B1D0-6ED2DB5CCDCF",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_8-eip-l:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E00DEDAE-F737-4E8B-8D75-5B00DC357DEB",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B2D4FF46-5477-41A9-A4BA-EC41FBB5F698",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip:-:*:*:*:*:*:*:*",
"matchCriteriaId": "FA2F24AD-E230-47C9-A6C1-241649CC7C6A",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BFBFCBE1-9F96-4EE7-B770-57F155725D46",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8E0C433E-211D-4618-A891-126067DBF78F",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-eip-t_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B14A1EE1-3125-47F0-854D-C7EE3015FB6A",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-eip-t:-:*:*:*:*:*:*:*",
"matchCriteriaId": "70A4F878-EB5A-4733-8882-93707F58C2C5",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_4-pnio_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "96C26EBC-226F-44F5-AA42-2351097F9EAE",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_4-pnio:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2E69B5DC-3B1C-4FDB-88B2-A8D9AB75C43E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "99072498-E57B-44D6-9AE6-9BB07E235C04",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio:-:*:*:*:*:*:*:*",
"matchCriteriaId": "EC03E5F9-08B6-4AE8-8B12-843E4A22FC67",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_8-pnio-l_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "DD43FFB6-65FF-46AE-AFB4-96F3D52BD301",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_8-pnio-l:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CD25566D-513D-4BA3-8035-CC724E523898",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1FFC2CB0-17D0-499D-9878-CA385B59DE64",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2D97A0A5-3BA7-4D22-83EB-D3C856D641E6",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-p_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "ACE56879-B450-4683-9DEA-053260F1D47E",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-p:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A3F02A39-35DC-4D14-91A0-46C9448FA562",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:pepperl-fuchs:io-link_master_dr-8-pnio-t_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EBF13F83-C75D-45A2-97A6-B1B6595863B6",
"versionEndIncluding": "1.5.48",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:pepperl-fuchs:io-link_master_dr-8-pnio-t:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E91F7C2F-044D-496D-8086-8FE041EB930A",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd"
},
{
"lang": "es",
"value": "Pepperl + Fuchs Comtrol IO-Link Master en la versi\u00f3n 1.5.48 y anteriores, es propenso a una desreferencia del puntero NULL que conduce a una DoS en discoveryd"
}
],
"id": "CVE-2020-12514",
"lastModified": "2024-11-21T04:59:50.700",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.7,
"impactScore": 5.9,
"source": "info@cert.vde.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-01-22T19:15:12.300",
"references": [
{
"source": "info@cert.vde.com",
"tags": [
"Third Party Advisory"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2020-038"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://cert.vde.com/en-us/advisories/vde-2020-038"
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-476"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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…