Vulnerability Details : CVE-2021-33254
An issue was discovered in src/http/httpLib.c in EmbedThis Appweb Community Edition 8.2.1, allows attackers to cause a denial of service via the stream paramter to the parseUri function.
Vulnerability category: Denial of service
Products affected by CVE-2021-33254
- cpe:2.3:a:embedthis:appweb:8.2.1:*:*:*:community:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33254
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33254
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-33254
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33254
-
https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html
EmbedThis Appweb NPD Bug | awxylitolExploit;Patch;Third Party Advisory
Jump to