What is CVE-2017-15609?

CVE-2017-15609 is a high-severity vulnerability in Octopus Deploy, classified under Missing Encryption of Sensitive Data. CVSS score: 7.5/10. Published 2017-10-19.

How severe is CVE-2017-15609?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Octopus Deploy

CVE-2017-15609

Octopus before 3.17.7 allows attackers to obtain sensitive cleartext information by reading a variable JSON file in certain situations involving Offline Drop Targets.

Published 2017-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% 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

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

github.com/OctopusDeploy/Issues/issues/3868 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-15609?: CVE-2017-15609 is a high-severity vulnerability in Octopus Deploy, classified under Missing Encryption of Sensitive Data. CVSS score: 7.5/10. Published 2017-10-19.
How severe is CVE-2017-15609?: High severity. CVSS v3 base score is 7.5 out of 10.