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01 Record

CVE-2019-5079

An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware

UnratedPUBLISHEDCNA: talos
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.31% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 88.5% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-12-18 20:33Z6 YR AGO
Last updated
2024-08-04 19:47Z2 YR AGO
Reserved
2019-01-04
Assigning CNA
talos
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
a8286eed697cf47103bf54888b33ce1f889d0992c99ce67c24c31a78a0c96fe0

05 Affected products

VendorProductVersionsPlatforms
n/aWAGO PFC200Firmware version 03.01.07(13), Firmware version 03.00.39(12)—
n/aWAGO PFC100Firmware version 03.00.39(12)—

06 References