CVE-2020-15689

7.5 highEPSS 1.3%

High (7.5) in embedthis appweb. EPSS 1.3% chance of exploitation in the next 30 days.

Appweb before 7.2.2 and 8.x before 8.1.0, when built with CGI support, mishandles an HTTP request with a Range header that lacks an exact range. This may result in a NULL pointer dereference and cause a denial of service.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2020-07-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

embedthis:appweb

References

https://github.com/embedthis/appweb-gpl/issues/2
https://github.com/embedthis/appweb-gpl/issues/2

Check your stack JSON