What’s Vulnerable › Vulnerabilities
CVE-2020-20267
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-05-11 · updated 2026-06-17
- Weakness: CWE-787
Description
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.
Affected products
- MikroTik RouterOS: before 6.47 — fixed in 6.47
How to fix
Upgrade to a fixed version: MikroTik RouterOS 6.47. Check the vendor advisory for mitigations.
References
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