NULL pointer dereference in Embedthis Appweb
CVE-2020-15689
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.
EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Embedthis Appweb
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Broken Link)
Frequently asked questions
- What is CVE-2020-15689?
- CVE-2020-15689 is a high-severity vulnerability in Embedthis Appweb, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-07-13.
- How severe is CVE-2020-15689?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-15689 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.