How severe is CVE-2022-39059?

CVE-2022-39059 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-2022-39059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39059?

CVE-2022-39059 affects Changingtec Megaservisignadapter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-39059?

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-2022-39059 published?

CVE-2022-39059 was published on 2023-01-31 and last updated on 2026-06-17.

CVE-2022-39059

CVE-2022-39059 is a high-severity vulnerability in Changingtec Megaservisignadapter 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% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Changingtec Megaservisignadapter
Published: 2023-01-31
Last modified: 2026-06-17

Description

ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.

Frequently asked questions

What is CVE-2022-39059?: ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.
How severe is CVE-2022-39059?: CVE-2022-39059 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-2022-39059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39059?: CVE-2022-39059 affects Changingtec Megaservisignadapter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-39059?: 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-2022-39059 published?: CVE-2022-39059 was published on 2023-01-31 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-6886-2c546-1.html

Affected products (1)

cpe:2.3:a:changingtec:megaservisignadapter:*:*:*:*:*:windows:*:*

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