What’s Vulnerable › Vulnerabilities

CVE-2020-27155

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-22 · updated 2026-06-17

Description

An issue was discovered in Octopus Deploy through 2020.4.4. If enabled, the websocket endpoint may allow an untrusted tentacle host to present itself as a trusted one.

Affected products

• Octopus Deploy: from 3.11.13 through 2020.4.4

References

• https://github.com/OctopusDeploy
• https://github.com/OctopusDeploy/Issues/issues/6637
• https://github.com/OctopusDeploy/Issues/issues/6639
• https://github.com/OctopusDeploy/Issues/issues/6640
• https://github.com/OctopusDeploy
• https://github.com/OctopusDeploy/Issues/issues/6637
• https://github.com/OctopusDeploy/Issues/issues/6639
• https://github.com/OctopusDeploy/Issues/issues/6640

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