Insufficient verification of data authenticity in MikroTik RouterOS - CVE-2019-3977
Published: October 30, 2019
Vulnerability identifier: #VU22425
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-3977
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MikroTik
Affected software:
MikroTik RouterOS
MikroTik RouterOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to software does not validate origin of the upgrade packages when using autoupgrade feature. A remote attacker can trick the victim into downloading and installing an old version of RouterOS and reset passwords of all system users.
How to mitigate CVE-2019-3977
Install updates from vendor's website.