Vulnerability Details : CVE-2021-37770
Potential exploit
Nucleus CMS v3.71 is affected by a file upload vulnerability. In this vulnerability, we can use upload to change the upload path to the path without the Htaccess file. Upload an Htaccess file and write it to AddType application / x-httpd-php.jpg. In this way, an attacker can upload a picture with shell, treat it as PHP, execute commands, so as to take down website resources.
Products affected by CVE-2021-37770
- cpe:2.3:a:nucleuscms:nucleus_cms:3.71:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37770
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37770
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2021-37770
-
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-37770
-
https://shimo.im/docs/Ch9CphJt8XwTvQ3d
Exploit;Third Party Advisory
-
https://github.com/NucleusCMS/NucleusCMS/issues/96
File upload vulnerability in Nucleus CMS v3.71 · Issue #96 · NucleusCMS/NucleusCMS · GitHubExploit;Issue Tracking;Third Party Advisory
Jump to