What’s Vulnerable › Vulnerabilities

CVE-2020-12286

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-28 · updated 2026-06-17

Description

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.

Affected products

• Octopus Deploy: before 2019.12.9; from 2020.1 before 2020.1.12 — fixed in 2019.12.9, 2020.1.12

How to fix

Upgrade to a fixed version: Octopus Deploy 2019.12.9, 2020.1.12. Check the vendor advisory for mitigations.

References

• https://github.com/OctopusDeploy/Issues/issues/6331
• https://github.com/OctopusDeploy/Issues/issues/6332
• https://github.com/OctopusDeploy/Issues/issues/6333
• https://github.com/OctopusDeploy/Issues/issues/6331
• https://github.com/OctopusDeploy/Issues/issues/6332
• https://github.com/OctopusDeploy/Issues/issues/6333

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