Vulnerabilities > CVE-2020-15689 - NULL Pointer Dereference vulnerability in Embedthis Appweb

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

embedthis

CWE-476

NVD

Published: 2020-07-13

Updated: 2023-01-27

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Embedthis Embedthis Appweb 8.0.0 Embedthis Appweb 4.0.0 Embedthis Appweb 4.1.0 Embedthis Appweb 4.2.0 Embedthis Appweb 4.3.0 Embedthis Appweb 4.3.1 Embedthis Appweb 4.3.2 Embedthis Appweb 4.3.3 Embedthis Appweb 4.3.4 Embedthis Appweb 4.3.5 Embedthis Appweb 4.3.6 Embedthis Appweb 4.4.0 Embedthis Appweb 4.4.3 Embedthis Appweb 4.4.4 Embedthis Appweb 4.5.0 Embedthis Appweb 4.5.1 Embedthis Appweb 4.5.2 Embedthis Appweb 4.5.3 Embedthis Appweb 4.5.4 Embedthis Appweb 4.5.5 Embedthis Appweb 4.5.6 Embedthis Appweb 4.6.0 Embedthis Appweb 4.6.1 Embedthis Appweb 4.6.2 Embedthis Appweb 4.6.3 Embedthis Appweb 4.6.4 Embedthis Appweb 4.6.5 Embedthis Appweb 4.6.6 Embedthis Appweb 4.7.0 Embedthis Appweb 4.7.1 Embedthis Appweb 4.7.2 Embedthis Appweb 4.7.3 Embedthis Appweb 4.7.4 Embedthis Appweb 5.0.0 Embedthis Appweb 5.1.0 Embedthis Appweb 5.2.0 Embedthis Appweb 5.3.0 Embedthis Appweb 5.4.0 Embedthis Appweb 5.4.1 Embedthis Appweb 5.4.2 Embedthis Appweb 5.4.3 Embedthis Appweb 5.4.4 Embedthis Appweb 5.4.5 Embedthis Appweb 5.4.6 Embedthis Appweb 5.4.7 Embedthis Appweb 5.5.0 Embedthis Appweb 5.5.1 Embedthis Appweb 5.6.0 Embedthis Appweb 5.6.1 Embedthis Appweb 5.6.2 Embedthis Appweb 6.0.0 Embedthis Appweb 6.0.1 Embedthis Appweb 6.0.2 Embedthis Appweb 6.0.3 Embedthis Appweb 6.1.0 Embedthis Appweb 6.1.1 Embedthis Appweb 6.2.0 Embedthis Appweb 6.2.1 Embedthis Appweb 6.2.2 Embedthis Appweb 6.2.3 Embedthis Appweb 7.0.0 Embedthis Appweb 7.0.1 Embedthis Appweb 7.0.2 Embedthis Appweb 7.0.3 Embedthis Appweb 7.1.0 Embedthis Appweb 7.2.0 Embedthis Appweb 7.2.1	67

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

References

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