How severe is CVE-2022-4779?

CVE-2022-4779 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-4779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4779?

CVE-2022-4779 affects Elvexys Streamx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4779?

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-2022-4779 published?

CVE-2022-4779 was published on 2022-12-29 and last updated on 2026-06-17.

CVE-2022-4779

CVE-2022-4779 is a high-severity vulnerability in Elvexys Streamx with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Elvexys Streamx
Published: 2022-12-29
Last modified: 2026-06-17

Description

StreamX applications from versions 6.02.01 to 6.04.34 are affected by a logic bug that allows to bypass the implemented authentication scheme. StreamX applications using StreamView HTML component with the public web server feature activated are affected.

Frequently asked questions

What is CVE-2022-4779?: StreamX applications from versions 6.02.01 to 6.04.34 are affected by a logic bug that allows to bypass the implemented authentication scheme. StreamX applications using StreamView HTML component with the public web server feature activated are affected.
How severe is CVE-2022-4779?: CVE-2022-4779 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-4779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4779?: CVE-2022-4779 affects Elvexys Streamx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4779?: 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-2022-4779 published?: CVE-2022-4779 was published on 2022-12-29 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:elvexys:streamx:*:*:*:*:*:*:*:*

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