CVE-2018-18850

high-risk
Published 2018-10-31

In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with permission to modify deployment processes could upload a maliciously crafted YAML configuration, potentially allowing for remote execution of arbitrary code, running in the same context as the Octopus Server (for self-hosted installations by default, SYSTEM).

Do I need to act?

!
53.4% chance of exploitation in next 30 days
EPSS score — higher than 47% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Octopus

References (2)

Third Party Advisory https://github.com/OctopusDeploy/Issues/issues/5042
Third Party Advisory https://github.com/OctopusDeploy/Issues/issues/5042
53
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal