6.5

CVE-2020-20217: mikrotik routeros Uncontrolled Resource Consumption

CVSS: 6.5v3.1MediumModified
Published 08-07-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-20217 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in mikrotik routeros. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.00%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.00% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mikrotik1 product

1 vendor · 1 product

References

3 links