VulnerabilityModified
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 unauthenticated attacker to cause DoS on the device.
HIGH 7.5EPSS 1.02%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.02% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-772
- Affected
- wago/750-880\/040-000 firmware · wago/750-880\/025-002 firmware · wago/750-880\/025-001 firmware · wago/750-880\/025-000 firmware · wago/750-831\/000-002 firmware · wago/750-889 firmware · wago/750-881 firmware · wago/750-831 firmware · wago/750-880 firmware
- Source
- info@cert.vde.com
References
- https://cert.vde.com/en-us/advisories/vde-2021-038Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-038Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.