Vulnerability identifier: #VU48769

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-13556

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpENer
Server applications / Other server solutions

Vendor: EIP Stack Group

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in the Ethernet/IP server functionality. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OpENer: 2.3

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1170

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.