How severe is CVE-2020-7800?

CVE-2020-7800 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2020-7800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7800?

CVE-2020-7800 affects Mysyngeryss Husky Rtu 6049-e70 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7800?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-7800 published?

CVE-2020-7800 was published on 2020-04-14 and last updated on 2026-06-17.

CVE-2020-7800

CVE-2020-7800 is a high-severity vulnerability in Mysyngeryss Husky Rtu 6049-e70 Firmware with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 8.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Mysyngeryss Husky Rtu 6049-e70 Firmware
Published: 2020-04-14
Last modified: 2026-06-17

Description

The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability. The affected product is vulnerable to specially crafted TCP packets, which can cause the device to shut down or reboot and lose configuration settings. This is a different issue than CVE-2019-16879, CVE-2019-20045, CVE-2019-20046, CVE-2020-7801, and CVE-2020-7802.

Frequently asked questions

What is CVE-2020-7800?: The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability. The affected product is vulnerable to specially crafted TCP packets, which can cause the device to shut down or reboot and lose configuration settings. This is a different issue than CVE-2019-16879, CVE-2019-20045, CVE-2019-20046, CVE-2020-7801, and CVE-2020-7802.
How severe is CVE-2020-7800?: CVE-2020-7800 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2020-7800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7800?: CVE-2020-7800 affects Mysyngeryss Husky Rtu 6049-e70 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7800 published?: CVE-2020-7800 was published on 2020-04-14 and last updated on 2026-06-17.

References

https://www.us-cert.gov/ics/advisories/icsa-20-042-01

Affected products (1)

cpe:2.3:o:mysyngeryss:husky_rtu_6049-e70_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Mysyngeryss Husky Rtu 6049-e70 Firmware

CVE-2019-16879 — Critical (CVSS 9.8): The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has a Missing…
CVE-2020-7801 — Medium (CVSS 5.3): The Synergy Systems & Solutions (SSS) HUSKY RTU 6049-E70, with firmware Versions 5.0 and prior, has an Exposure of…

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