VulnerabilityModified
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.
HIGH 7.5EPSS 10.3%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.3%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.
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
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 10.27% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- mikrotik/routeros
- Source
- vulnreport@tenable.com
References
- http://packetstormsecurity.com/files/155036/MikroTik-RouterOS-6.45.6-DNS-Cache-Poisoning.htmlThird Party Advisory
- https://www.tenable.com/security/research/tra-2019-46Third Party Advisory
- http://packetstormsecurity.com/files/155036/MikroTik-RouterOS-6.45.6-DNS-Cache-Poisoning.htmlThird Party Advisory
- https://www.tenable.com/security/research/tra-2019-46Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.