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CVE-2021-44564

HIGHCVSS 8.1/10EPSS 0.92%

Last modified

CVE-2021-44564 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A security vulnerability originally reported in the SYNC2101 product, and applicable to specific sub-families of SYNC devices, allows an attacker to download the configuration file used in the device and apply a modified configuration file back to the device. The attack requires network access to the SYNC device and knowledge of its IP address. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

A security vulnerability originally reported in the SYNC2101 product, and applicable to specific sub-families of SYNC devices, allows an attacker to download the configuration file used in the device and apply a modified configuration file back to the device. The attack requires network access to the SYNC device and knowledge of its IP address. The attack exploits the unsecured communication channel used between the administration tool Easyconnect and the SYNC device (in the affected family of SYNC products).

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
KalkitechSync241-M1 Firmware<= 4.15.3
KalkitechSync241-M2 Firmware<= 4.15.3
KalkitechSync241-M4 Firmware<= 4.15.3
KalkitechSync261-M1 Firmware<= 4.15.3
KalkitechSync2000-M1 Firmware<= 4.15.3
KalkitechSync2000-M2 Firmware<= 4.15.3
KalkitechSync2000-M4 Firmware<= 4.15.3
KalkitechSync2101-M1 Firmware<= 4.15.3
KalkitechSync2101-M2 Firmware<= 4.15.3
KalkitechSync2101-M6 Firmware<= 4.15.3
KalkitechSync2101-M7 Firmware<= 4.15.3
KalkitechSync2101-M8 Firmware<= 4.15.3
KalkitechSync2111-M2 Firmware<= 4.15.3
KalkitechSync2111-M3 Firmware<= 4.15.3
KalkitechSync3000-M1 Firmware<= 4.15.3
KalkitechSync3000-M2 Firmware<= 4.15.3
KalkitechSync3000-M3 Firmware<= 4.15.3
KalkitechSync3000-M4 Firmware<= 4.15.3
KalkitechSync3000-M12 Firmware<= 4.15.3
KalkitechSync221-M1 Firmware<= 4.15.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-44564?
A security vulnerability originally reported in the SYNC2101 product, and applicable to specific sub-families of SYNC devices, allows an attacker to download the configuration file used in the device and apply a modified configuration file back to the device. The attack requires network access to the SYNC device and knowledge of its IP address. The attack exploits the unsecured communication channel used between the administration tool Easyconnect and the SYNC device (in the affected family of SYNC products).
How severe is CVE-2021-44564?
CVE-2021-44564 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44564?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44564?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST