CVE-2019-20045: The Synergy Systems & Solutions PLC & RTU system has a vulnerability in HUSKY RTU 6049-E70 firmware versions 5

Q: How do I fix CVE-2019-20045?

husky rtu 6049-e70 firmware: upgrade to newer than 5.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-20045 being exploited?

CVE-2019-20045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-20045 affect?

CVE-2019-20045 affects husky rtu 6049-e70 firmware. Severity is high (CVSS 7.5). The Synergy Systems & Solutions PLC & RTU system has a vulnerability in HUSKY RTU 6049-E70 firmware versions 5.0 and prior. Specially crafted malicious packets could cause disconnection of active authentic connections or reboot of device. T

Q: How urgent is CVE-2019-20045?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2019-20045 is a high-severity flaw (CVSS 7.5) affecting husky rtu 6049-e70 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Synergy Systems & Solutions PLC & RTU system has a vulnerability in HUSKY RTU 6049-E70 firmware versions 5.0 and prior. Specially crafted malicious packets could cause disconnection of active authentic connections or reboot of device. This is a different issue than CVE-2019-16879 and CVE-2019-20046.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-20
Published	2020-02-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: s3india

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-14 17:15 UTCPublished CVE record published
2026-06-17 02:29 UTCUpdated Record last modified

s3india husky rtu 6049-e70 firmware UPGRADE

Affected: <= 5.0

Fixed in: newer than 5.0

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-20045?

husky rtu 6049-e70 firmware: upgrade to newer than 5.0. Exact commands for each OS are on this page.

Is CVE-2019-20045 being exploited?

CVE-2019-20045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-20045 affect?

CVE-2019-20045 affects husky rtu 6049-e70 firmware. Severity is high (CVSS 7.5). The Synergy Systems & Solutions PLC & RTU system has a vulnerability in HUSKY RTU 6049-E70 firmware versions 5.0 and prior. Specially crafted malicious packets could cause disconnection of active authentic connections or reboot of device. T

How urgent is CVE-2019-20045?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-7802 MEDIUM 5.3 UPGRADE The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Incorre
CVE-2020-7801 MEDIUM 5.3 UPGRADE The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Exposur
CVE-2020-7800 HIGH 8.2 UPGRADE The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Imprope
CVE-2019-20046 CRITICAL 9.8 UPGRADE The Synergy Systems & Solutions PLC & RTU system has a vulnerability in HUSKY RTU 6049-E70 firmware versions 5
CVE-2019-16879 CRITICAL 9.8 UPGRADE The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has a Missing

References

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