CVE-2025-0588 - CVE House
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Status published Medium CVE-2025-0588

In affected versions of Octopus Server it was possible for...

Vulnerability Description

In affected versions of Octopus Server it was possible for a user with sufficient access to set custom headers in all server responses. By submitting a specifically crafted referrer header the user could ensure that all subsequent server responses would return 500 errors rendering the site mostly unusable. The user would be able to subsequently set and unset the referrer header to control the denial of service state with a valid CSRF token whilst new CSRF tokens could not be generated.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • This vulnerability was found by Edward Prior (@JankhJankh)

References

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Affected Vendor

Octopus Deploy

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Affected Software

Octopus Server
Vulnerable Versions:
2020.1.0, 2024.4.401

Timeline

Official Publish: February 11th, 2025
Last Modified: March 13th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.