CVE-2020-13573Disclosure(rockwellautomation / rslinx)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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. An attacker can send a sequence of malicious packets to trigger this vulnerability.

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0.0/ 10 priority

Sources & remediation

Exploit / PoC references

Weakness type (CWE)

CWE-823CWE-119

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

rslinx

Threat summary

3 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
Patch: 1 classified signal
General: 1 classified signal
Peaked 1d ago at 2 mentions (2026-06-16); latest day: 1
3 total mentions across 2 days

Affected systems

Vendors

rockwellautomation

Products

rslinx

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 2d

Signal classification3 categories

Disclosure

133.3%

Patch

133.3%

General

133.3%

Referenced assets3 URLs

By indicator

Classification over time

Date	Total	Labels

2026-06-16	2	Disclosure1Patch1
2026-06-20	1	General1

Full discourse3 posts

WindowsForum@windowsforum138d
Patch
🪟 Another “old” CVE, but now the industrial Windows long tail is the real story: your plant isn’t vulnerable because of the exploit—it's vulnerable because updates stop at the gates. https://windowsforum.com/threads/cisa-warns-rslinx-classic-4-50-and-earlier-dos-risk-cve-2020-13573.426986/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #CisaAdvisory #OtCybersecurity #RslinxClassic #IndustrialWindows https://t.co/S7ex0IZln5
Post summary
The post emphasizes that the RSLinx Classic DoS flaw (CVE‑2020‑13573) is relevant because many plants lack updates, underscoring the importance of patch management.
0100025
1.2K followersView on X
BREACHSPIDER@breachspider134d
General
[CVE Analysis] CVE-2020-13573: Out-of-Bounds Read in Rockwell RSLinx Classic Causes Unrecoverable DoS https://breachspider.com/intel/2026-06-20-cve-2020-13573-out-of-bounds-read-in-rockwell-rslinx-classic #ICS #OTSecurity #SCADA #CriticalInfrastructure
Post summary
The post links to a CVE‑2020‑13573 analysis noting its out‑of‑bounds read flaw and potential DoS impact, but it does not provide PoC, exploit code, active exploitation evidence, or mitigation guidance.
0000045
2.3K followersView on X
Aviatrix Threat Research Center@aviatrixtrc138d
Disclosure
Attackers can exploit CVE-2020-13573 in Rockwell Automation RSLinx Classic by sending crafted network requests to cause denial-of-service conditions. This disrupts industrial control system monitoring and configuration capabilities, potentially impacting critical infrastructure operations. #IndustrialSecurity 🔗 Full TRC analysis: https://aviatrix.ai/threat-research-center/icsa-26-167-02-cve-2020-13573
Post summary
The post announces a denial‑of‑service vulnerability (CVE-2020-13573) in Rockwell Automation RSLinx Classic that can be triggered by crafted network packets, highlighting potential impact on industrial control systems.
0000037
1.9K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	rockwellautomation	rslinx	2.57.00.14	-	-

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