How severe is CVE-2020-37190?

CVE-2020-37190 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-2020-37190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37190?

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-2020-37190 have an EU (EUVD) identifier?

Yes. CVE-2020-37190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31142.

When was CVE-2020-37190 published?

CVE-2020-37190 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2020-37190

CVE-2020-37190 is a high-severity vulnerability 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 4.6
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31142
Weakness: CWE-120
Published: 2026-02-11
Last modified: 2026-06-17

Description

Top Password Firefox Password Recovery 2.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing input fields. Attackers can trigger the vulnerability by inserting 5000 characters into the User Name or Registration Code input fields.

Frequently asked questions

What is CVE-2020-37190?: Top Password Firefox Password Recovery 2.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing input fields. Attackers can trigger the vulnerability by inserting 5000 characters into the User Name or Registration Code input fields.
How severe is CVE-2020-37190?: CVE-2020-37190 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-2020-37190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37190?: 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-2020-37190 have an EU (EUVD) identifier?: Yes. CVE-2020-37190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31142.
When was CVE-2020-37190 published?: CVE-2020-37190 was published on 2026-02-11 and last updated on 2026-06-17.

References

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