How severe is CVE-2020-37025?

CVE-2020-37025 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-37025 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.

How do I fix CVE-2020-37025?

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.

Does CVE-2020-37025 have an EU (EUVD) identifier?

Yes. CVE-2020-37025 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30951.

When was CVE-2020-37025 published?

CVE-2020-37025 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2020-37025

CVE-2020-37025 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 8.4
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30951
Weakness: CWE-120
Published: 2026-01-30
Last modified: 2026-06-17

Description

Port Forwarding Wizard 4.8.0 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code through a long request in the Register feature. Attackers can craft a malicious payload with an egg tag and overwrite SEH handlers to potentially execute shellcode on vulnerable Windows systems.

Frequently asked questions

What is CVE-2020-37025?: Port Forwarding Wizard 4.8.0 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code through a long request in the Register feature. Attackers can craft a malicious payload with an egg tag and overwrite SEH handlers to potentially execute shellcode on vulnerable Windows systems.
How severe is CVE-2020-37025?: CVE-2020-37025 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-37025 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.
How do I fix CVE-2020-37025?: 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.
Does CVE-2020-37025 have an EU (EUVD) identifier?: Yes. CVE-2020-37025 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30951.
When was CVE-2020-37025 published?: CVE-2020-37025 was published on 2026-01-30 and last updated on 2026-06-17.

References

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