CVE-2020-13556

Public Exploit

Description

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.65% Top 20%
Third-Party Advisory talosintelligence.com
Affected: n/a EIP Stack Group
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1170 third party advisory exploit technical description

Frequently Asked Questions

What is the severity of CVE-2020-13556?
CVE-2020-13556 has been scored as a critical severity vulnerability.
How to fix CVE-2020-13556?
To fix CVE-2020-13556, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13556 being actively exploited in the wild?
It is possible that CVE-2020-13556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13556?
CVE-2020-13556 affects n/a EIP Stack Group.
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