CVE-2019-3977

high

Description

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into "upgrading" to an older version of RouterOS and possibly reseting all the system's usernames and passwords.

References

https://www.tenable.com/security/research/tra-2019-46

Details

Source: MITRE

Published: 2019-10-29

Updated: 2019-11-01

Type: CWE-494

Risk Information

CVSS v2

Base Score: 8.5

Vector: AV:N/AC:L/Au:N/C:N/I:C/A:P

Impact Score: 7.8

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH