Malicious Jamf Pro SSRF Targeting Cloud Metadata via imageUrl (via webserver)
- Category
- webserver
- Author
- HuntRule
- Published
- 2026-05-05
- Updated
- 2026-08-28
ATT&CK techniques
Initial Access → Cred AccessRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects requests to the Jamf Pro eduFeatureSettingsTest endpoint whose imageUrl parameter references the cloud instance metadata address 169.254.169.254. This is the full-read SSRF CVE-2021-39303 and CVE-2021-40809 aimed at stealing AWS instance credentials from the metadata service. Detecting it surfaces active theft of cloud IAM credentials through the vulnerable server.
Reporting behind it
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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