Vulnerability · Published Jun 17, 2021 · Assigned by talos

CVE-2021-21777

High 8.6

In plain English

A high-severity security flaw in EIP Stack Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.0)8.6High
Exploit odds (30 days)1.7%top 23.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
n/a EIP Stack Group EIP Stack Group OpENer 2.3 ,EIP Stack Group OpENer development commit 8c73bf3

References