Vulnerability · Published Aug 31, 2021 · Assigned by CERTVDE
CVE-2021-34581WAGO: Denial of Service vulnerability inside the OpenSSL implementation
High 7.5
In plain English
A high-severity security flaw in 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 36.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WAGO | 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 | FW4 – before All* |
Weakness: CWE-772 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2021-038 x_refsource_CONFIRM