CVE-2020-18329

An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.94%Up 0.1 points since Jan 25, 2023

What each source reports

NVD Score used 7.5

Record: CVE-2020-18329
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-281
Updated: 2026-11-02

CVE List 7.5

Record: CVE-2020-18329
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-281
Updated: 2026-11-02

EUVDEUVD-2020-10253 7.5

Record: EUVD-2020-10253
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5ccq-w6wj-jcqq 7.5

An issue was discovered in Rehau devices that use a pCOWeb card BIOS v6.27, BOOT v5.00, web...

Record: GHSA-5ccq-w6wj-jcqq
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-281
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-18329 is a high vulnerability (CVSS 7.5) in Carel Pcoweb Card Bios, published January 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.