Critical severity · published Sep 1, 2021
CVE-2021-39377
A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database
9.8
CVSS
3.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensis · Os4ed
8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39377
Third Party Advisory
https://github.com/OS4ED/openSIS-Classic
Exploit
https://github.com/security-n/CVE-2021-39377
Product
https://opensis.com/
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