CVE-2021-21777 Information disclosure in EIP Stack Group
A specially crafted network request in the OpENer Ethernet/IP stack can cause an out-of-bounds read, leading to information disclosure.
- 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-2021-21777?
CVE-2021-21777 is a high-severity vulnerability in EIP Stack Group, published on 17 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.
Weakness: CWE-125
Which versions are affected by CVE-2021-21777?
It affects 1 product.
Products include Opener Project Opener.
How do I fix CVE-2021-21777?
No fix has been published for CVE-2021-21777 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21777 being exploited?
There is no known exploitation of CVE-2021-21777 in the wild and no public exploit code.
Other vulnerabilities in EIP Stack Group
Sources
Also known as GHSA-84vv-m336-cjrf.