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CVE-2021-37291

48
FAUCET Score

CVE-2021-37291 is a critical SQL Injection vulnerability (CWE-89) affecting KevinLAB Inc Building Energy Management System 4ST BEMS version 1.0.0. This flaw allows an unauthenticated attacker to execute arbitrary SQL commands via the input_id POST parameter in index.php, potentially leading to full compromise of the system. With a CVSS score of 9.8 (CRITICAL), it presents a high risk due to its network-based attack vector, low complexity, and complete impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog or showing active exploitation, public Nuclei templates exist, indicating readily available exploit code, though community discussion and media coverage remain minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0CPE matchmatch criteria
cpe:2.3:a:kevinlab:4st_l-bems:1.0.0:*:*:*:*:*:*:*

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
8.15%
Probability of exploitation in next 30 days
EPSS Percentile
94.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-37291 · Jul 22, 2021
This CVE's current EPSS score of 0.0815 is in the 89th percentile among its peer group of 36,897 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

kevinlab.com
Vendor Advisory
zeroscience.mk / en/vulnerabilities
ExploitThird Party Advisory