VulnerabilityModified
CVE-2021-34566
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.
CRITICAL 9.1EPSS 1.10%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.10% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- wago/750-8100 firmware · wago/750-8101 firmware · wago/750-8101\/025-000 firmware · wago/750-8102 firmware · wago/750-8102\/025-000 firmware · wago/750-8202 firmware · wago/750-8202\/000-011 firmware · wago/750-8202\/000-012 firmware · wago/750-8202\/000-022 firmware · wago/750-8202\/025-000 firmware · wago/750-8202\/025-001 firmware · wago/750-8202\/025-002 firmware · wago/750-8202\/040-000 firmware · wago/750-8202\/040-001 firmware · wago/752-8303\/8000-002 firmware · wago/762-4101 firmware · wago/762-4102 firmware · wago/762-4103 firmware · wago/762-4104 firmware · wago/762-4201\/8000-001 firmware · +29 more
- Source
- info@cert.vde.com
References
- https://cert.vde.com/en/advisories/VDE-2020-036/Vendor Advisory
- https://cert.vde.com/en/advisories/VDE-2020-036/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.