How severe is CVE-2020-18329?

CVE-2020-18329 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-18329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18329?

CVE-2020-18329 primarily affects Carel Pcoweb Card Web. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-18329?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-18329 published?

CVE-2020-18329 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2020-18329

CVE-2020-18329 is a high-severity vulnerability in Carel Pcoweb Card Web with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Carel Pcoweb Card Web
Published: 2023-01-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-18329?: 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.
How severe is CVE-2020-18329?: CVE-2020-18329 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-18329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18329?: CVE-2020-18329 primarily affects Carel Pcoweb Card Web. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-18329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-18329 published?: CVE-2020-18329 was published on 2023-01-26 and last updated on 2026-06-17.

References

Affected products (3)

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:*:*:*:*:*:*:*

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