What is CVE-2020-37188?

CVE-2020-37188 is a high-severity vulnerability in Nsasoft Nsauditor Spotoutlook, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.

How severe is CVE-2020-37188?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Nsasoft Nsauditor Spotoutlook

CVE-2020-37188

SpotOutlook 1.2.6 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can overwrite the buffer by pasting 1000 'A' characters into the 'Name' field, causing the application to become unresponsive.

Vulnerability class: Buffer Overflow

Published 2026-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Nsasoft Nsauditor Spotoutlook — versions 1.2.6

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.exploit-db.com/exploits/47906 (exploit)
www.nsauditor.com/ (product)
www.vulncheck.com/advisories/spotoutlook-name-denial-of-service (third-party-advisory)

Frequently asked questions

What is CVE-2020-37188?: CVE-2020-37188 is a high-severity vulnerability in Nsasoft Nsauditor Spotoutlook, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.
How severe is CVE-2020-37188?: High severity. CVSS v3 base score is 7.5 out of 10.