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Medium severity6.5NVD Advisory· Published Sep 21, 2020· Updated Jun 17, 2026

CVE-2020-16171

CVE-2020-16171

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

18
  • Acronis/Cyber Backup16 versions
    cpe:2.3:a:acronis:cyber_backup:*:*:*:*:*:*:*:*+ 15 more
    • cpe:2.3:a:acronis:cyber_backup:*:*:*:*:*:*:*:*range: <=12.5
    • cpe:2.3:a:acronis:cyber_backup:12.5:-:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:10130:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:10330:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:11010:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:13160:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:13400:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:14280:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:14330:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:16180:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:16318:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:16327:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:7641:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:7970:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:8850:*:*:*:*:*:*
    • cpe:2.3:a:acronis:cyber_backup:12.5:9010:*:*:*:*:*:*
  • Acronis/Cyber Backupdescription
  • Acronis/Cyber Backup 12.5llm-fuzzy
    Range: <12.5 Build 16342

Patches

Vulnerability mechanics

References

2

News mentions

0

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