CVE-2021-34566

CWE-120 — Classic Buffer Overflow3 documents3 sources
Severity
9.1CRITICAL
EPSS
0.9%
top 24.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
55
Wago 750-8100 FirmwareWago 750-8101\/025-000 FirmwareWago 750-8101 Firmware+52 more
Timeline
PublishedNov 9

Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages55 packages

🔴Vulnerability Details

2
GHSA
GHSA-xcqq-8632-69xx: In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash↗2022-11-09
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CVEList
WAGO I/O-Check Service prone to Memory Overflow↗2022-11-09
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CVE-2021-34566 (CRITICAL CVSS 9.1) | In WAGO I/O-Check Service in multip | cvebase.io