HIGH · 7.5

CVE-2021-34581

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 unauthentic...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Wago750-880\/040-000 Firmware>= fw4, <= fw15
Wago750-880\/040-000-
Wago750-880\/025-002 Firmware>= fw4, <= fw15
Wago750-880\/025-002-
Wago750-880\/025-001 Firmware>= fw4, <= fw15
Wago750-880\/025-001-
Wago750-880\/025-000 Firmware>= fw4, <= fw15
Wago750-880\/025-000-
Wago750-831\/000-002 Firmware>= fw4, <= fw15
Wago750-831\/000-002-
Wago750-889 Firmware>= fw4, <= fw15
Wago750-889-
Wago750-881 Firmware>= fw4, <= fw15
Wago750-881-
Wago750-831 Firmware>= fw4, <= fw15
Wago750-831-
Wago750-880 Firmware>= fw4, <= fw15
Wago750-880-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-34581?

CVE-2021-34581 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 unauthentic...

How severe is CVE-2021-34581?

CVE-2021-34581 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34581?

Check the references section above for vendor advisories and patch information. Affected products include: Wago 750-880\/040-000 Firmware, Wago 750-880\/040-000, Wago 750-880\/025-002 Firmware, Wago 750-880\/025-002, Wago 750-880\/025-001 Firmware.