How severe is CVE-2022-4780?

CVE-2022-4780 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-4780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4780?

CVE-2022-4780 affects Elvexys Isos Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4780?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-4780 published?

CVE-2022-4780 was published on 2022-12-29 and last updated on 2026-06-17.

CVE-2022-4780

CVE-2022-4780 is a medium-severity vulnerability in Elvexys Isos Firmware with a CVSS 3.x base score of 4.5. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 4.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Elvexys Isos Firmware
Published: 2022-12-29
Last modified: 2026-06-17

Description

ISOS firmwares from versions 1.81 to 2.00 contain hardcoded credentials from embedded StreamX installer that integrators are not forced to change.

Frequently asked questions

What is CVE-2022-4780?: ISOS firmwares from versions 1.81 to 2.00 contain hardcoded credentials from embedded StreamX installer that integrators are not forced to change.
How severe is CVE-2022-4780?: CVE-2022-4780 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-4780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4780?: CVE-2022-4780 affects Elvexys Isos Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4780 published?: CVE-2022-4780 was published on 2022-12-29 and last updated on 2026-06-17.

References

https://elvexys.com/products/xpg-gateway-rtu-protocol-converter/isos-release-notes/

Affected products (1)

cpe:2.3:o:elvexys:isos_firmware:*:*:*:*:*:*:*:*

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