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TI-2021-20277 Aliases CVE-2021-44793GHSA-xp77-g88w-h7mg

Information Leakege via Unauthorized Access in Single Connect

Priority MEDIUM 40CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

EPSS 0.01187 68th percentileScored 2026-11-07
Fix Fixed Single Connect (Kron): 2.16

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
KronSingle Connectbefore 2.162.16Patch availableCNA
  • Single Connect VendorKron Affected before 2.16 Fixed in 2.16 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:*before 2.16VulnerableKron
  • cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:* Versions before 2.16 Vulnerable ·Kron

Remediation

  • Fix · CNA Single Connect (Kron) Fixed in 2.16

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Kron Single Connect 2.16

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2021-20279 Modifying User Permissions via Unauthorized Access in Single ConnectPriority LOW 35
    • TI-2021-20278 Information Leakege via Unauthorized Access in Single ConnectPriority LOW 26
    • TI-2021-20276 Information Leakege via Unauthorized Access in Single ConnectPriority LOW 26
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-44793
  2. 2026-10-03 Alias added: GHSA-xp77-g88w-h7mg

References

Advisory 1

Other 1

  • TI-2023-00837 Authorization Bypass Through User-Controlled Key on Single Connect CVSS 3.1HIGH 8.8
  • TI-2021-20279 Modifying User Permissions via Unauthorized Access in Single Connect CVSS 3.1HIGH 7.5
  • TI-2021-20278 Information Leakege via Unauthorized Access in Single Connect CVSS 3.1MEDIUM 5.3
  • TI-2021-20276 Information Leakege via Unauthorized Access in Single Connect CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences