CVE-2021-30194 Information disclosure in n/a

Critical 9.1 Published 25 May 2021 Updated 3 Aug 2024

An out-of-bounds read in the CODESYS V2 Web-Server allows attackers to disclose sensitive memory contents.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-30194?

CVE-2021-30194 is a critical vulnerability in n/a, published on 25 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.

Weakness: CWE-125

Which versions are affected by CVE-2021-30194?

It affects 28 products.

Products include Codesys V2 Web Server, Wago 750-8202 Firmware, Wago 750-8203 Firmware, Wago 750-8204 Firmware, Wago 750-8206 Firmware, Wago 750-8207 Firmware and 22 more.

How do I fix CVE-2021-30194?

No fix has been published for CVE-2021-30194 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30194 being exploited?

There is no known exploitation of CVE-2021-30194 in the wild and no public exploit code.

Sources

Also known as GHSA-j96m-6rcp-2p9r.