VULNERABILITY INTELLIGENCE
CVE-2020-13530
CVSS score7.5 HIGH
EPSS probability2.09%
CISA KEVNot currently listed
Published2020-12-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-672: Operation on a Resource after Expiration or Release
- CWE-910: Use of Expired File Descriptor
Primary references
- talos-cna@cisco.com — Exploit, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory