An issue was discovered in Acronis Cyber Backup before 12.5 Build 16342. Some API endpoints on port 9877 under /api/ams/ accept an additional custom Shard header. The value of this header is afterwards used in a separate web request issued by the application itself. This can be abused to conduct SSRF attacks against otherwise unreachable Acronis services that are bound to localhost such as the NotificationService on 127.0.0.1:30572.
References
Link | Resource |
---|---|
http://seclists.org/fulldisclosure/2020/Sep/33 | Exploit Mailing List Third Party Advisory |
https://www.rcesecurity.com/2020/09/CVE-2020-16171-Exploiting-Acronis-Cyber-Backup-for-Fun-and-Emails/ | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2020-09-21T13:07:07
Updated: 2020-09-21T13:07:07
Reserved: 2020-07-31T00:00:00
Link: CVE-2020-16171
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-09-21T14:15:13.370
Modified: 2020-10-01T15:43:15.700
Link: CVE-2020-16171
JSON object: View
Redhat Information
No data.
CWE