What is CVE-2017-9857?

CVE-2017-9857 is a high-severity vulnerability in Sma Sunny_boy_1.5, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-08-05.

How severe is CVE-2017-9857?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Sma Sunny_boy_1.5

CVE-2017-9857

An issue was discovered in SMA Solar Technology products. The SMAdata2+ communication protocol does not properly use authentication with encryption: it is vulnerable to man in the middle, packet injection, and replay attacks. Any setting c…

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2017-9857?: CVE-2017-9857 is a high-severity vulnerability in Sma Sunny_boy_1.5, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-08-05.
How severe is CVE-2017-9857?: High severity. CVSS v3 base score is 8.1 out of 10.