CVE•Published 2022-01-27•Modified 2026-05-18•1 article on news•6 live references•NVD data

CVE-2021-44793Krontech · Single_connect

Vulnerability data via NVD (ingested)

CVSS v3.1

8.6

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 37% of all CVEs

Weaknesses (CWE)

CWE-862Missing Authorization

Description

Single Connect does not perform an authorization check when using the sc-reports-ui" module. A remote attacker could exploit this vulnerability to access the device configuration page and export the data to an external file. The exploitation of this vulnerability might allow a remote attacker to obtain sensitive information including the database credentials. Since the database runs with high privileges it is possible to execute commands with the attained credentials.

Timeline

Published 2022-01-27

Modified 2026-05-18

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2021-44793

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Krontech Single Connect"

All exposed Krontech Single Connect instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Single Connect"

HTTP body or banner mentions "Single Connect" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2021-44793