HOMEVULNERABILITIESCVE-2020-37203
HIGH

CVE-2020-37203

CWE-120Published: February 11, 2026· Updated: Feb 12, 2026

7.5
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.7th

Official Description

Office Product Key Finder 1.5.4 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the registration code input. Attackers can create a specially crafted text file and paste it into the 'Name and Key' field to trigger an application crash.

NVD Source

Technical Analysis

CVE-2020-37203 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (3)

Quick Facts

CVE IDCVE-2020-37203
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-120
CISA KEVNo
EPSS (30d)0.04%
PublishedFeb 11, 2026

Related CVEs (CWE-120)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-37203 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.