CVE-2020-25159 json
Real Time Automation EtherNet/IP
published 2020-11-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17850
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.
Patch / fix
- Real Time Automation 499ES EtherNet/IP (ENIP) Adaptor Source Code 2.28
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-324-03 updated cvss 9.8
Real Time Automation EtherNet/IP
-
Real Time Automation (RTA) 499ES EtherNet/IP Adaptor Source Code a TCP/IP stack < 2.28affected: mitigation “Please contact Real Time Automation for additional details and support.” rtautomation.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
3.03% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Real Time Automation 499ES EtherNet/IP (ENIP) Adaptor Source Code
Classification
References
-
us-cert.cisa.gov
/ics/advisories/icsa-20-324-03
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2020-25159
- NVD CVE-2020-25159
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