CVE-2021-40651 EXPLOIT
6.5
MEDIUM · CVSS 3.1 · EPSS 17.9% (pctl 97)
Patch early
A public exploit exists.
Description
OS4Ed OpenSIS Community 8.0 is vulnerable to a local file inclusion vulnerability in Modules.php (modname parameter), which can disclose arbitrary file from the server's filesystem as long as the application has access to the file.
Scoring
| CVSS | 6.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 17.95% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-09-29 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| os4ed | opensis |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenSIS 8.0 'modname' - Directory Traversal | 2021-09-03 |
References
- https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.md
- https://www.exploit-db.com/exploits/50259
- https://youtu.be/wFwlbXANRCo
- https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.md
- https://www.exploit-db.com/exploits/50259
- https://youtu.be/wFwlbXANRCo
→ the Explorer · watch your stack · NVD