SQL Injection in Os4ed Opensis
CVE-2021-40353
A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the index.php USERNAME parameter. NOTE: this issue may exist because of an incomplete fix for CVE-2020-6637.
Vulnerability class: SQL Injection
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Os4ed Opensis — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.opensis.com/download/english (Product)
- github.com/5qu1n7/CVE-2021-40353 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40353?
- CVE-2021-40353 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-2021-40353?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-40353 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.