CVE-2021-31817

CVE-2021-31817 is a high-severity vulnerability in Octopus Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Description

When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.

Frequently asked questions

What is CVE-2021-31817?
When configuring Octopus Server if it is configured with an external SQL database, on initial configuration the database password is written to the OctopusServer.txt log file in plaintext.
How severe is CVE-2021-31817?
CVE-2021-31817 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31817 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31817?
CVE-2021-31817 affects Octopus Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31817?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-31817 published?
CVE-2021-31817 was published on 2021-07-08 and last updated on 2026-06-17.

References

Affected products (1)

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