What is CVE-2020-13556?

CVE-2020-13556 is a critical-severity vulnerability in Opener_project Opener, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-11.

How severe is CVE-2020-13556?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Opener_project Opener

CVE-2020-13556

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…

Vulnerability class: Buffer Overflow

EPSS: 0.045 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opener_project Opener — versions 2.3
N/a Eip Stack Group — versions EIP Stack Group OpENer 2.3, EIP Stack Group OpENer development commit 8c73bf3

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talos-cna@cisco.com (Technical Description, x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13556?: CVE-2020-13556 is a critical-severity vulnerability in Opener_project Opener, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-11.
How severe is CVE-2020-13556?: Critical severity. CVSS v3 base score is 9.8 out of 10.