CVE-2025-0539

Description

In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests that contain authentication material allowing a suitably positioned attacker to compromise the account running Octopus Server and potentially the host infrastructure itself.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Vendor	Product	Versions
octopus	octopus_server	2.6.0 — 2024.3.13071
octopus	octopus_server	2024.4.401 — 2024.4.7065
microsoft	windows	All

References

Advisories & Patches

https://advisories.octopus.com/post/2025/sa2025-06

Frequently Asked Questions

What is CVE-2025-0539? +

In affected Microsoft Windows versions of Octopus Deploy, the server can be coerced into sending server-side requests that contain authentication material allowing a suitably positioned attacker to compromise the account running Octopus Server and potentially the host infrastructure itself. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-0539? +

CVE-2025-0539 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0539? +

CVE-2025-0539 affects products from microsoft, octopus, specifically: octopus_server, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0539? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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