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ExploitedNot in CISA KEV yet

CVE-2021-37291

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2022-04-11
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An SQL Injection vulnerability exists in KevinLAB Inc Building Energy Management System 4ST BEMS 1.0.0 ivia the input_id POST parameter in index.php.

Timeline

dates in UTC
  1. 2022-04-1119:15CVE publishedNVD
  2. 2023-10-1422:14Listed as exploited by GCVEGCVE
  3. 2023-10-1422:14Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-37291?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-37291?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Kevinlab 4st l-bems
BranchAffectedFixed in
1.0= 1.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-04-11
Last Modified
2026-07-05
NVD status
Modified
GitHub Advisory
GHSA-8h2j-x64q-v264

Frequently asked questions

What is CVE-2021-37291?

An SQL Injection vulnerability exists in KevinLAB Inc Building Energy Management System 4ST BEMS 1.0.0 ivia the input_id POST parameter in index.php.

Is CVE-2021-37291 actively exploited?

Active exploitation of CVE-2021-37291 has not been confirmed. Its EPSS score was 6.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-37291?

CVE-2021-37291 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record