What is CVE-2020-16171?

CVE-2020-16171 is a medium-severity vulnerability in Acronis Cyber_backup, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2020-09-21.

How severe is CVE-2020-16171?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-16171 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Acronis Cyber_backup

CVE-2020-16171

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…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.055 (91.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Acronis Cyber_backup — versions 12.5
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-16171?: CVE-2020-16171 is a medium-severity vulnerability in Acronis Cyber_backup, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2020-09-21.
How severe is CVE-2020-16171?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-16171 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.