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HIGH

CVE-2019-3978

CVSS v3

7.5

HIGH

EPSS Score

16.6 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning

Technical details

Published
2019-10-29
Exploit-DB
EDB-47566

Frequently asked questions

What is CVE-2019-3978?

RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning

Is CVE-2019-3978 actively exploited?

Active exploitation of CVE-2019-3978 has not been confirmed. The EPSS score is 16.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3978?

CVE-2019-3978 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-3978 affecting your environment?

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