Medium severity · published Jul 26, 2019
CVE-2019-13955
Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable to stack exhaustion
6.5
CVSS
3.8%
EPSS
No
On KEV
Description
Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable to stack exhaustion. By sending a crafted HTTP request, an authenticated remote attacker can crash the HTTP server via recursive parsing of JSON. Malicious code cannot be injected.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
before 6.44.5; 6.45 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13955
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13955
Third Party Advisory
http://packetstormsecurity.com/files/153733/Mikrotik-RouterOS-Resource-Stack-Exhaustion.html
Mailing List
https://seclists.org/fulldisclosure/2019/Jul/20
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