How severe is CVE-2021-44793?

CVE-2021-44793 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-44793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44793?

CVE-2021-44793 affects Krontech Single Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44793?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-44793 published?

CVE-2021-44793 was published on 2022-01-27 and last updated on 2026-06-17.

CVE-2021-44793

CVE-2021-44793 is a high-severity vulnerability in Krontech Single Connect with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Krontech Single Connect
Published: 2022-01-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-44793?: 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.
How severe is CVE-2021-44793?: CVE-2021-44793 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-44793 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44793?: CVE-2021-44793 affects Krontech Single Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44793?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-44793 published?: CVE-2021-44793 was published on 2022-01-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:*

More vulnerabilities in Krontech Single Connect

CVE-2023-0882 — High (CVSS 8.8): Improper Input Validation, Authorization Bypass Through User-Controlled Key vulnerability in Kron Tech Single Connect…
CVE-2021-44795 — Medium (CVSS 5.3): Single Connect does not perform an authorization check when using the "sc-assigned-credential-ui" module. A remote…
CVE-2021-44794 — Medium (CVSS 5.3): Single Connect does not perform an authorization check when using the "sc-diagnostic-ui" module. A remote attacker…
CVE-2021-44792 — Medium (CVSS 5.3): Single Connect does not perform an authorization check when using the "log-monitor" module. A remote attacker could…

All CVEs affecting Krontech Single Connect →

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