CVE-2019-16879

Name: CVE-2019-16879
Creator: NVD / NIST
Published: 2020-04-14T17:15:11.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.37%

Last modified Jun 17, 2026

CVE-2019-16879 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has a Missing Authentication for Critical Function (CWE-306) vulnerability. The affected product does not require authentication for TELNET access, which may allow an attacker to change configuration or perform other malicious activities.. EPSS estimates a 1.37% chance of exploitation in the next 30 days.

Description

The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has a Missing Authentication for Critical Function (CWE-306) vulnerability. The affected product does not require authentication for TELNET access, which may allow an attacker to change configuration or perform other malicious activities.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.37%

68.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Mysyngeryss	Husky Rtu 6049-E70 Firmware	<= 5.0

References

https://www.us-cert.gov/ics/advisories/icsa-20-042-01Third Party Advisory, US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-042-01Third Party Advisory, US Government Resource

Timeline

Published: Apr 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16879?

How severe is CVE-2019-16879?

CVE-2019-16879 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16879?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16879?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST