CVE-2020-13573
View CSAF Summary Successful exploitation of this vulnerability can lead to a denial of service, where the application will become unresponsive and will not recover on its own. The following versio...
Affects 1 product across 1 vendor.
Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.
Show all 13
Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.
A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service, potentially disrupting industrial operations and affecting system availability.
BSID: BS-2021-GLOBAL-173685-H • Model: Qwen/Qwen2.5-72B-Instruct-AWQ • Confidence: MEDIUM
Is this CVE in your environment?
BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.
Check My Environment →What is CVE-2020-13573?
What is the CVSS score for CVE-2020-13573?
Is CVE-2020-13573 actively exploited?
How do I remediate CVE-2020-13573?
What systems are affected by CVE-2020-13573?
What NERC-CIP standard applies to CVE-2020-13573?
What IEC 62443 requirement maps to CVE-2020-13573?
| CVE ID | CVE-2020-13573 |
|---|---|
| BSID | BS-2021-GLOBAL-173685-H BreachSpider Global ID |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Published | 2026-06-16 |
| Last Modified | 2026-06-16 |
| ICS Relevance | 70% |
| Weakness (CWE) | |
| Verticals | |
| Source | NVD |
View CSAF Summary Successful exploitation of this vulnerability can lead to a denial of service, where the application will become unresponsive and will not recover on its own. The following versions of RSLinx Classic Third-Party Vulnerability are affected: RSLinx Classic <=4.50.00 (CVE-2020-13573) CVSS Vendor Equipment Vulnerabilities v3 7.5 Rockwell Automation RSLinx Classic Third-Party Vulnerability Out-of-bounds Read Background Critical Infrastructure Sectors: Critical Manufacturing, Energy,
Source: NIST NVD / MITRE CVE Database
The vulnerability can be exploited by sending a sequence of malicious packets to the Ethernet/IP server of the affected Rockwell Automation RSLinx Classic version. The attacker does not require any prior authentication or user interaction, and the attack can be performed remotely over the network.
Exploitation Likelihood: LOW
| Vendor | Product | Fixed Version |
|---|---|---|
| Rockwell Automation | Rslinx | — |
No patch URL on record. Monitor vendor security advisories directly.
| CISA KEV | Not in KEV catalog |
|---|---|
| Public Exploit | Not confirmed |
| PoC Code | Not confirmed |
Implement network segmentation and access control lists (ACLs) to restrict access to the Ethernet/IP server from untrusted networks.
No reliable network detection signature exists for this vulnerability class — apply the compensating controls above and the vendor patch. SAGE only publishes a network rule when a concrete on-the-wire signature can be grounded in the advisory.
This CVE violates CIP-007-R2 because it allows an attacker to disrupt the availability of the control system, which is a critical requirement for maintaining the reliability of the bulk electric system.
This CVE maps to SR 7.6 because it involves a vulnerability that can be exploited to cause a denial of service, which is a key security requirement for ensuring the availability and reliability of industrial control systems.
Virtual patch generated by CITED Relevance SAGE. Validate in isolated environment before production deployment. Compensating control only - does not replace vendor patch.
SAGE Enrichment Record — provenance & audit hash
| Model | Qwen/Qwen2.5-72B-Instruct-AWQ |
|---|---|
| Confidence | MEDIUM |
| Enriched At | 2026-05-24 |
| SHA-512 Audit Hash | 2e6af7a6bfc0c3c07b5ab0649f3c9d57cbf918a09094173f0e1c5006e3cf63de7dcff567f5d059471b41c7c8611054825dfa36233bb5dd2c54f5468d20033179 |
ICS/OT Vulnerability Intelligence for Your Environment
BreachSpider monitors 353,228 CVEs across ICS/OT vendors. SAGE-enriched alerts with virtual patches, NERC-CIP mapping, and PSIRT contacts delivered to your SIEM in minutes.
Join free →