CVE-2021-31821

CVE-2021-31821 is a medium-severity vulnerability in Octopus Tentacle with a CVSS 3.x base score of 5.5. 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 the Windows Tentacle docker image starts up it logs all the commands that it runs along with the arguments, which writes the Octopus Server API key in plaintext. This does not affect the Linux Docker image

Frequently asked questions

What is CVE-2021-31821?
When the Windows Tentacle docker image starts up it logs all the commands that it runs along with the arguments, which writes the Octopus Server API key in plaintext. This does not affect the Linux Docker image
How severe is CVE-2021-31821?
CVE-2021-31821 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31821 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31821?
CVE-2021-31821 affects Octopus Tentacle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31821?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31821 published?
CVE-2021-31821 was published on 2022-01-19 and last updated on 2026-06-17.

References

Affected products (1)

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