What is CVE-2019-3943?

CVE-2019-3943 is a high-severity vulnerability in Mikrotik Routeros, classified under Relative Path Traversal. CVSS score: 8.1/10. Published 2019-04-10.

How severe is CVE-2019-3943?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2019-3943 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Mikrotik Routeros

CVE-2019-3943

MikroTik RouterOS versions Stable 6.43.12 and below, Long-term 6.42.12 and below, and Testing 6.44beta75 and below are vulnerable to an authenticated, remote directory traversal via the HTTP or Winbox interfaces. An authenticated, remote a…

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mikrotik Routeros — versions 6.43, Long-term 6.42.12 and below, Stable 6.43.12 and below

Weakness classification (CWE)

Public proof-of-concept exploits

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-3943?: CVE-2019-3943 is a high-severity vulnerability in Mikrotik Routeros, classified under Relative Path Traversal. CVSS score: 8.1/10. Published 2019-04-10.
How severe is CVE-2019-3943?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2019-3943 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.