Time-of-check to time-of-use (TOCTOU) race condition in org.onosproject.acl (aka the access control application) in ONOS v1.13 and earlier…

published 2018-07-05 8y ago modified 2026-06-17 4mo ago also EUVD-2018-4644

cvss: 6.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Time-of-check to time-of-use (TOCTOU) race condition in org.onosproject.acl (aka the access control application) in ONOS v1.13 and earlier allows attackers to bypass network access control via data plane packet injection.

Patch / fix

links 1

gerrit.onosproject.org/#/c/18867/ advisory

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Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.8	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

gerrit.onosproject.org /#/c/18867/
patch, third-party-advisory
wiki.onosproject.org /display/ONOS/Security+advisories
third-party-advisory

Sources

CVE List CVE-2018-12691
NVD CVE-2018-12691

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