CVE-2020-20250

Published: Jul 13, 2021Modified: Nov 21, 2024

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

Mikrotik RouterOs before stable version 6.47 suffers from a memory corruption vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference). NOTE: this is different from CVE-2020-20253 and CVE-2020-20254. All four vulnerabilities in the /nova/bin/lcdstat process are discussed in the CVE-2020-20250 github.com/cq674350529 reference.

Affected (1)

Products: Mikrotik: Routeros

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mikrotik Routeros	Before 6.47

Related CWEs

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20250/README.md

Source: cve@mitre.org

ExploitThird Party Advisory

https://mikrotik.com/

Source: cve@mitre.org

Vendor Advisory

https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20250/README.md

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://mikrotik.com/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.