CVE-2020-6143
9.8
CRITICAL · CVSS 3.1 · EPSS 6.2% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The password variable which is set at line 122 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.17% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-96 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-09-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| os4ed | opensis |
References
→ the Explorer · watch your stack · NVD