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HIGH

CVE-2020-13530

CVSS v3

7.5

HIGH

EPSS Score

2.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigger this vulnerability.

Technical details

Published
2020-12-11

Frequently asked questions

What is CVE-2020-13530?

A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigger this vulnerability.

Is CVE-2020-13530 actively exploited?

Active exploitation of CVE-2020-13530 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13530?

CVE-2020-13530 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-13530 affecting your environment?

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