CVE-2021-34581

published 2021-08-31

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…

Priority P3 44 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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

9 ranges

Vendor	Product	Version range	Fixed in
wago	750-831_000-002_firmware	fw4 – fw15	—
wago	750-831_firmware	fw4 – fw15	—
wago	750-880_025-000_firmware	fw4 – fw15	—
wago	750-880_025-001_firmware	fw4 – fw15	—
wago	750-880_025-002_firmware	fw4 – fw15	—
wago	750-880_040-000_firmware	fw4 – fw15	—
wago	750-880_firmware	fw4 – fw15	—
wago	750-881_firmware	fw4 – fw15	—
wago	750-889_firmware	fw4 – fw15	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 7.8 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-772