High severity · published Jul 13, 2020
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
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
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.
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)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
Appweb · Embedthis
before 7.2.2; 8.0.0 before 8.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15689
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15689
Broken Link
https://github.com/embedthis/appweb-gpl/issues/2
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