4.3

CVE-2019-3981: mikrotik routeros Channel Accessible by Non-Endpoint

CVSS: 4.3v2.0MediumModified
Published 14-01-2020Last modified 04-08-2024

Vulnerability summary

CVE-2019-3981 is a medium (CVSS 4.3) Channel Accessible by Non-Endpoint vulnerability in mikrotik routeros. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.14%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-01-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.14%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.14% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (tenable.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Mikrotik2 products

1 vendor · 2 products

References

1 links