What is CVE-2018-12884?

CVE-2018-12884 is a medium-severity vulnerability in Octopus Deploy, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2018-06-26.

How severe is CVE-2018-12884?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Privilege escalation in Octopus Deploy

CVE-2018-12884

In Octopus Deploy 3.0 onwards (before 2018.6.7), an authenticated user with incorrect permissions may be able to create Accounts under the Infrastructure menu.

Vulnerability class: Privilege Escalation

Published 2018-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Octopus Deploy — versions 3.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

github.com/OctopusDeploy/Issues/issues/4674 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-12884?: CVE-2018-12884 is a medium-severity vulnerability in Octopus Deploy, classified under Improper Privilege Management. CVSS score: 6.5/10. Published 2018-06-26.
How severe is CVE-2018-12884?: Medium severity. CVSS v3 base score is 6.5 out of 10.