High severity · published Feb 11, 2026
CVE-2020-37203
Office Product Key Finder 1.5.4 - Denial of Service
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Nsauditor Office Product Key Finder · Nsasoft
1.5.4 · source: vendor
Affected product
NO
Nsauditor Office Product Key Finder
Nsasoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-37203
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-37203
www.nsauditor.com
http://www.nsauditor.com/
www.exploit-db.com
https://www.exploit-db.com/exploits/47867
www.vulncheck.com
https://www.vulncheck.com/advisories/office-product-key-finder-denial-of-service