What is CVE-2020-12286?

CVE-2020-12286 is a medium-severity vulnerability in Octopus Deploy. CVSS score: 4.3/10. Published 2020-04-28.

How severe is CVE-2020-12286?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Octopus Deploy

CVE-2020-12286

In Octopus Deploy before 2019.12.9 and 2020 before 2020.1.12, the TaskView permission is not scoped to any dimension. For example, a scoped user who is scoped to only one tenant can view server tasks scoped to any other tenant.

Published 2020-04-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Octopus Deploy

References

github.com/OctopusDeploy/Issues/issues/6333 (Third Party Advisory)
github.com/OctopusDeploy/Issues/issues/6332 (Third Party Advisory)
github.com/OctopusDeploy/Issues/issues/6331 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-12286?: CVE-2020-12286 is a medium-severity vulnerability in Octopus Deploy. CVSS score: 4.3/10. Published 2020-04-28.
How severe is CVE-2020-12286?: Medium severity. CVSS v3 base score is 4.3 out of 10.