SQL Injection in Os4ed Opensis
CVE-2021-39377
A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database. A malicious attacker can issue SQL commands to the MySQL (MariaDB) database through the index.php username parameter.
Vulnerability class: SQL Injection
EPSS: 0.036 (88.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Os4ed Opensis — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-39377?
- CVE-2021-39377 is a critical-severity vulnerability in Os4ed Opensis, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-09-01.
- How severe is CVE-2021-39377?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-39377 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.