How severe is CVE-2020-37234?

CVE-2020-37234 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-37234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37234?

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

Does CVE-2020-37234 have an EU (EUVD) identifier?

Yes. CVE-2020-37234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31238.

When was CVE-2020-37234 published?

CVE-2020-37234 was published on 2026-05-16 and last updated on 2026-06-17.

CVE-2020-37234

CVE-2020-37234 is a medium-severity vulnerability with a CVSS 3.x base score of 6.2. 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: Medium (CVSS 3.x base score 6.2)
CVSS v4: 6.9
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31238
Weakness: CWE-120
Published: 2026-05-16
Last modified: 2026-06-17

Description

Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.

Frequently asked questions

What is CVE-2020-37234?: Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.
How severe is CVE-2020-37234?: CVE-2020-37234 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-37234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-37234 have an EU (EUVD) identifier?: Yes. CVE-2020-37234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31238.
When was CVE-2020-37234 published?: CVE-2020-37234 was published on 2026-05-16 and last updated on 2026-06-17.

References

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