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.
CVE ID: CVE-2025-0539
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.9
CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Vendor: Octopus Deploy
Product: Octopus Server
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 15.52% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)