Memory Corruption Vulnerability in Mikrotik RouterOs
CVE-2020-20252

6.5MEDIUM

Key Information:

Vendor

Mikrotik

Status
Routeros
Vendor
CVE Published:
13 July 2021

What is CVE-2020-20252?

Mikrotik RouterOs versions prior to 6.47 are vulnerable to a memory corruption issue in the /nova/bin/lcdstat process. This vulnerability allows an authenticated remote attacker to exploit a NULL pointer dereference, potentially resulting in a Denial of Service condition. It is crucial for users of Mikrotik RouterOs to upgrade to the latest version to mitigate this risk.

References

https://github.com/cq674350529/pocs_slides/blob/master/ad...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
The Cyber Security Vulnerability Database.