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 version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
talosCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
wagopfc_200_firmware
03.00.39\(12\)
wagopfc_200_firmware
03.01.07\(13\)
wagopfc_100_firmware
03.00.39\(12\)
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0871
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0871