Skip to content
Fencer Vulns
critical 9.8

CVE-2019-16879 json

The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has a Missing Authentication for Critical F…

published 2020-04-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7385

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-042-01 updated cvss 9.3

Synergy Systems & Solutions HUSKY RTU (Update A)

  • Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70 with <= 5.0
    affected: mitigation “Upgrade to firmware Version 5.1.2 or higher. Consult with SSS for possible issues during upgrade, prior to implementing this recommendation.”

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

1.37% chance of exploitation in the next 30 days, higher than 72% 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

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.