CVE-2020-26161 : In Octopus Deploy through 2020.4.2, an attacker could redirect users to an exter

In Octopus Deploy through 2020.4.2, an attacker could redirect users to an external site via a modified HTTP Host header.

Published 2020-10-26 18:15:15

Updated 2022-06-03 18:56:25

Source MITRE

View at NVD, CVE.org

Vulnerability category: Open redirect

Products affected by CVE-2020-26161

Octopus » Octopus Deploy
Versions from including (>=) 2019.8.2 and up to, including, (<=) 2020.4.2
cpe:2.3:a:octopus:octopus_deploy:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 40 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:N	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

Assigned by: nvd@nist.gov (Primary)

https://github.com/OctopusDeploy/Issues/issues/6627

Self-hosted Octopus susceptible to host-header injection attacks · Issue #6627 · OctopusDeploy/Issues · GitHub
Issue Tracking;Third Party Advisory
https://github.com/OctopusDeploy

Octopus Deploy · GitHub
Third Party Advisory

CVEs referencing this url
https://github.com/OctopusDeploy/Issues/issues/6622

Self-hosted Octopus susceptible to host-header injection attacks · Issue #6622 · OctopusDeploy/Issues · GitHub
Issue Tracking;Third Party Advisory

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