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CVE-2021-39378

42
FAUCET Score

CVE-2021-39378 is a critical SQL Injection vulnerability affecting openSIS 8.0 when utilizing MySQL (MariaDB) as its database, specifically within the NamesList.php str parameter. This flaw allows unauthenticated remote attackers to execute arbitrary SQL commands, leading to complete compromise of confidentiality, integrity, and availability of the affected system. Despite its severe CVSS score of 9.8 and high FAUCET Risk Score of 88/100, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:a:os4ed:opensis:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
22.67%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2267 is in the 94th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / OS4ED/openSIS-Classic
Third Party Advisory
github.com / security-n/CVE-2021-39378
ExploitThird Party Advisory
opensis.com
Product