Auth bypass in Opennetworking Openflow
CVE-2018-1000155
OpenFlow version 1.0 onwards contains a Denial of Service and Improper authorization vulnerability in OpenFlow handshake: The DPID (DataPath IDentifier) in the features_reply message are inherently trusted by the controller. that can result in Denial of Service, Unauthorized Access, Network Instability. This attack appear to be exploitable via Network connectivity: the attacker must first establish a transport connection with the OpenFlow controller and then initiate the OpenFlow handshake.
Vulnerability class: Broken Access Control
EPSS: 0.012 (65.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Opennetworking Openflow
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-1000155?
- CVE-2018-1000155 is a critical-severity vulnerability in Opennetworking Openflow, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2018-05-24.
- How severe is CVE-2018-1000155?
- Critical severity. CVSS v3 base score is 9.8 out of 10.