High severity · published May 18, 2017
CVE-2017-8338
A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over…
7.5
CVSS
4.2%
EPSS
No
On KEV
Description
A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the affected router from accepting new connections; all devices will be disconnected from the router and all logs removed automatically.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
6.38.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8338
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8338
Exploit
http://seclists.org/fulldisclosure/2017/May/59
Exploit
https://cxsecurity.com/issue/WLB-2017050062
Exploit
https://packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-Of-Service.html
Exploit
https://www.vulnerability-lab.com/get_content.php?id=2064
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