CVE-2019-5081 — Out-of-bounds Write in Pfc200

CWE-787 — Out-of-bounds WriteCWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
9.8CRITICALNVD
EPSS
1.8%
top 16.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Wago Pfc200Wago PFC 100 FirmwareWago PFC 200 Firmware
Timeline
PublishedDec 18
Latest updateMay 24

Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDwago/pfc_100_firmware03.00.39\(12\)
▶NVDwago/pfc_200_firmware03.00.39\(12\), 03.01.07\(13\)+1
▶CVEListV5wago/wago_pfc200Firmware version 03.00.39(12), Firmware version 03.01.07(13)+1

🔴Vulnerability Details

2
GHSA
GHSA-v636-46xh-j279: An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03↗2022-05-24
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CVEList
CVE-2019-5081: An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03↗2019-12-18
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CVE-2019-5081 — Out-of-bounds Write in Wago Pfc200 | cvebase