CVE-2018-1000155

openflow: Denial of Service, Improper Authentication and Authorization, and Covert Channel in the OpenFlow handshake

Published 24 May 2018Modified 17 Jun 2026CWE 863

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Red Hat5.9CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium).

Description

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.

Affected packages and fixed versions

Source	Package	Fixed in
Red Hat	opendaylight	no fix listed

References

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