6.5

CVE-2020-20216: mikrotik routeros NULL Pointer Dereference

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

Vulnerability summary

CVE-2020-20216 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in mikrotik routeros. EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.2% 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
1.58%
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. 07-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/graphing process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.58%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.58% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.58%

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

2 links