CVE-2020-13530
CWE-910Published: December 11, 2020· Updated: Jun 17, 2026
Official 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 Analysis
CVE-2020-13530 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-910)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-13530 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts