High severity · published Jan 6, 2022
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…
8.1
CVSS
0.9%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Sync2000-m1 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2000-m2 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2000-m4 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2101-m1 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2101-m2 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2101-m6 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2101-m7 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2101-m8 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2111-m2 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync2111-m3 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync221-m1 Firmware · Kalkitech
through 4.15.3 · source: NVD
SF
Sync241-m1 Firmware · Kalkitech
through 4.15.3 · source: NVD
