CVE-2020-20214: mikrotik routeros Reachable Assertion

Vulnerability summary

CVE-2020-20214 is a medium (CVSS 6.5) Reachable Assertion vulnerability in mikrotik routeros. EPSS estimates a 3.11% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 18-05-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

• CWE-617Reachable AssertionThe product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.