Resource exhaustion in Mikrotik Routeros
CVE-2020-20217
Mikrotik RouterOs before 6.47 (stable tree) suffers from an uncontrolled resource consumption vulnerability in the /nova/bin/route process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mikrotik Routeros
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-20217?
- CVE-2020-20217 is a medium-severity vulnerability in Mikrotik Routeros, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-07-08.
- How severe is CVE-2020-20217?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-20217 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.