A SQL Injection vulnerability exists in openSIS 8.0 when MySQL (MariaDB) is being used as the application database.

published 2021-09-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25738

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 22.7%; EPSS 22.7% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

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 NamesList.php str parameter.

Exploit prediction

22.67% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/security-n/CVE-2021-39378 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

github.com /security-n/CVE-2021-39378
exploit, third-party-advisory
opensis.com /
product
github.com /OS4ED/openSIS-Classic
third-party-advisory

Sources

CVE List CVE-2021-39378
NVD CVE-2021-39378

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary