WAGO: Denial of Service vulnerability inside the OpenSSL implementation
CVE-2021-34581

7.5HIGH

Key Information:

Vendor
Wago
Status
750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889
Vendor
CVE Published:
31 August 2021

Summary

Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.

Affected Version(s)

750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 FW4

References

https://cert.vde.com/en-us/advisories/vde-2021-038
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

These vulnerabilities were reported to WAGO by: Uwe Disch. Coordination done by CERT@VDE
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CVE-2021-34581 : WAGO: Denial of Service vulnerability inside the OpenSSL implementation | SecurityVulnerability.io