CVE-2020-18329

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 52.4%
KEV: Not listed

Published

January 26, 2023

Last Modified

April 2, 2025

References (4)

cve@mitrehttps://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md
cve@mitrehttps://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694
af854a3a-2127-422b-91ae-364da2661108https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18329.md
af854a3a-2127-422b-91ae-364da2661108https://medium.com/%40SergiuSechel/insecure-permissions-in-rehau-group-unlimited-polymer-solutions-implementation-of-carel-pcoweb-514c148ae694

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-281Improper Preservation of Permissions

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 08:02 UTCEG score recompute
2026-05-25 08:02 UTCGHSA enrichment
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-18329?

CVE-2020-18329 is a high vulnerability published on January 26, 2023. 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.

When was CVE-2020-18329 disclosed?

CVE-2020-18329 was first published in the National Vulnerability Database on January 26, 2023, with the most recent update on April 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-18329 actively exploited?

CVE-2020-18329 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-18329?

CVE-2020-18329 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-18329?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-18329, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-18329

📅 Published

🔄 Last Modified

🔗 References (4)