CVE-2021-34581

moderate-risk
Published 2021-08-31

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.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (9)

750-880\/040-000 Firmware
750-880\/025-002 Firmware
750-880\/025-001 Firmware
750-880\/025-000 Firmware
750-831\/000-002 Firmware

Affected Vendors

Wago

References (2)

Third Party Advisory https://cert.vde.com/en-us/advisories/vde-2021-038
Third Party Advisory https://cert.vde.com/en-us/advisories/vde-2021-038
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 4/34 · Minimal
Exposure 15/34 · Moderate