CVE-2018-16398

CVE-2018-16398 is a high-severity vulnerability in Twistlock Authz Broker with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

In Twistlock AuthZ Broker 0.1, regular expressions are mishandled, as demonstrated by containers/aa/pause?aaa=\/start to bypass a policy in which "docker start" is allowed but "docker pause" is not allowed.

Frequently asked questions

What is CVE-2018-16398?
In Twistlock AuthZ Broker 0.1, regular expressions are mishandled, as demonstrated by containers/aa/pause?aaa=\/start to bypass a policy in which "docker start" is allowed but "docker pause" is not allowed.
How severe is CVE-2018-16398?
CVE-2018-16398 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-16398 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16398?
CVE-2018-16398 affects Twistlock Authz Broker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16398?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16398 published?
CVE-2018-16398 was published on 2018-09-03 and last updated on 2026-06-17.

References

Affected products (1)