CVE-2020-18329 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web version v2.2, allows attackers to gain full unauthenticated access to the configuration and service interface.

Published: 2023-01-25

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:carel:pcoweb_card_web:2.2:::::::*
	cpe:2.3:o:carel:pcoweb_card_bios:6.27:::::::*
	cpe:2.3:o:carel:pcoweb_card_boot:5.00:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-10253	An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web version v2.2, allows attackers to gain full unauthenticated access to the configuration and service interface.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00288.

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md
https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694

History

Wed, 02 Apr 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Carel Pcoweb Card Bios Pcoweb Card Boot Pcoweb Card Web

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-01-25T00:00:00.000Z

Updated: 2025-04-02T13:28:33.697Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-18329

Vulnrichment

Updated: 2024-08-04T14:00:49.229Z

NVD

Status : Modified

Published: 2023-01-26T21:15:18.453

Modified: 2025-04-02T14:15:35.300

Link: CVE-2020-18329

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-281

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-18329", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-04-02T13:28:33.697Z", "dateReserved": "2020-08-13T00:00:00.000Z", "datePublished": "2023-01-25T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-01-25T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web version v2.2, allows attackers to gain full unauthenticated access to the configuration and service interface."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694"}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:49.229Z"}, "title": "CVE Program Container", "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694", "tags": ["x_transferred"]}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-281", "lang": "en", "description": "CWE-281 Improper Preservation of Permissions"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-02T13:28:06.405139Z", "id": "CVE-2020-18329", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-02T13:28:33.697Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694", "tags": ["x_transferred"]}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:49.229Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-18329", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-02T13:28:06.405139Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-281", "description": "CWE-281 Improper Preservation of Permissions"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-02T13:28:28.528Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694"}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md"}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web version v2.2, allows attackers to gain full unauthenticated access to the configuration and service interface."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-01-25T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2020-18329", "state": "PUBLISHED", "dateUpdated": "2025-04-02T13:28:33.697Z", "dateReserved": "2020-08-13T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-01-25T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:carel:pcoweb_card_web:2.2:*:*:*:*:*:*:*", "matchCriteriaId": "D3B3B4E9-61DF-4050-B58C-7C36237106EF", "vulnerable": true}, {"criteria": "cpe:2.3:o:carel:pcoweb_card_bios:6.27:*:*:*:*:*:*:*", "matchCriteriaId": "0334E101-F7DE-441B-9DD6-0F220770EC9D", "vulnerable": true}, {"criteria": "cpe:2.3:o:carel:pcoweb_card_boot:5.00:*:*:*:*:*:*:*", "matchCriteriaId": "0A374264-79D1-46C3-AB85-CF39D44C2E01", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web version v2.2, allows attackers to gain full unauthenticated access to the configuration and service interface."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en dispositivos Rehau que utilizan una tarjeta pCOWeb BIOS v6.27, BOOT v5.00, versi\u00f3n web v2.2, que permite a los atacantes obtener acceso completo no autenticado a la interfaz de configuraci\u00f3n y servicio."}], "id": "CVE-2020-18329", "lastModified": "2025-04-02T14:15:35.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-01-26T21:15:18.453", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md"}, {"source": "cve@mitre.org", "url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-281"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-281"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}