Is CVE-2019-12549 in the CISA KEV catalog?

No. CVE-2019-12549 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-12549?

CVE-2019-12549 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-12549?

CVE-2019-12549 has an EPSS score of 3.26% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-12549?

Upgrade 852-1305 firmware to 1.1.6.s0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-12549

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

Description

WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon. The fingerprint of the SSH host key from the corresponding SSH daemon matches the embedded private key.

CWE-798Hard-coded Credentials

How to fix

Remediation Available

852-1305 firmwareNVD

Affected:< 1.1.6.s0Fixed in:1.1.6.s0CVE-2019-12549derived from NVD

852-1505 firmwareNVD

Affected:< 1.1.5.s0Fixed in:1.1.5.s0CVE-2019-12549derived from NVD

852-303 firmwareNVD

Affected:< 1.2.2.s0Fixed in:1.2.2.s0CVE-2019-12549derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.26%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory1

wago.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-26138	Critical	9.8	98%	KEV	-
CVE-2024-3272	Critical	9.8	98%	KEV	-
CVE-2025-30406	Critical	9.0	94%	KEV	Fix
CVE-2024-28987	Critical	9.1	93%	KEV	Fix
CVE-2019-15976	Critical	9.8	93%	-	Fix
CVE-2024-20439	Critical	9.8	92%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.