CVE-2020-9301

8.8 highEPSS 1.5%

High (8.8) in linuxfoundation spinnaker. EPSS 1.5% chance of exploitation in the next 30 days.

Nolan Ray from Apple Information Security identified a security vulnerability in Spinnaker, all versions prior to version 1.23.4, 1.22.4 or 1.21.5. The vulnerability exists within the handling of SpEL expressions that allows an attacker to read and write arbitrary files within the orca container via authenticated HTTP POST requests.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2020-12-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linuxfoundation:spinnaker

References

https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2020-006.md
https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2020-006.md

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