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[email protected]CVE-2017-9855

HistoryAug 05, 2017 - 5:29 p.m.

CVE-2017-9855

2017-08-0517:29:00

[email protected]

web.nvd.nist.gov

sma solar technology

cve-2017-9855

grid guard

authentication

security vulnerability

nvd

sunny boy

sunny tripower

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.8%

JSON

An issue was discovered in SMA Solar Technology products. A secondary authentication system is available for Installers called the Grid Guard system. This system uses predictable codes, and a single Grid Guard code can be used on any SMA inverter. Any such code, when combined with the installer account, allows changing very sensitive parameters. NOTE: the vendor reports that Grid Guard is not an authentication feature; it is only a tracing feature. Also, only Sunny Boy TLST-21 and TL-21 and Sunny Tripower TL-10 and TL-30 could potentially be affected

Affected configurations

NVD

Node

smasunny_boy_3600_firmwareMatch-

AND

smasunny_boy_3600Match-

Node

smasunny_boy_5000_firmwareMatch-

AND

smasunny_boy_5000Match-

Node

smasunny_tripower_core1_firmwareMatch-

AND

smasunny_tripower_core1Match-

Node

smasunny_tripower_15000tl_firmwareMatch-

AND

smasunny_tripower_15000tlMatch-

Node

smasunny_tripower_20000tl_firmwareMatch-

AND

smasunny_tripower_20000tlMatch-

Node

smasunny_tripower_25000tl_firmwareMatch-

AND

smasunny_tripower_25000tlMatch-

Node

smasunny_tripower_5000tl_firmwareMatch-

AND

smasunny_tripower_5000tlMatch-

Node

smasunny_tripower_12000tl_firmwareMatch-

AND

smasunny_tripower_12000tlMatch-

Node

smasunny_tripower_60_firmwareMatch-

AND

smasunny_tripower_60Match-

Node

smasunny_boy_3000tl_firmwareMatch-

AND

smasunny_boy_3000tlMatch-

Node

smasunny_boy_3600tl_firmwareMatch-

AND

smasunny_boy_3600tlMatch-

Node

smasunny_boy_4000tl_firmwareMatch-

AND

smasunny_boy_4000tlMatch-

Node

smasunny_boy_5000tl_firmwareMatch-

AND

smasunny_boy_5000tlMatch-

Node

smasunny_boy_1.5_firmwareMatch-

AND

smasunny_boy_1.5Match-

Node

smasunny_boy_2.5_firmwareMatch-

AND

smasunny_boy_2.5Match-

Node

smasunny_boy_3.0_firmwareMatch-

AND

smasunny_boy_3.0Match-

Node

smasunny_boy_3.6_firmwareMatch-

AND

smasunny_boy_3.6Match-

Node

smasunny_boy_4.0_firmwareMatch-

AND

smasunny_boy_4.0Match-

Node

smasunny_boy_5.0_firmwareMatch-

AND

smasunny_boy_5.0Match-

Node

smasunny_central_2200_firmwareMatch-

AND

smasunny_central_2200Match-

Node

smasunny_central_1000cp_xt_firmwareMatch-

AND

smasunny_central_1000cp_xtMatch-

Node

smasunny_central_800cp_xt_firmwareMatch-

AND

smasunny_central_800cp_xtMatch-

Node

smasunny_central_850cp_xt_firmwareMatch-

AND

smasunny_central_850cp_xtMatch-

Node

smasunny_central_900cp_xt_firmwareMatch-

AND

smasunny_central_900cp_xtMatch-

Node

smasunny_central_500cp_xt_firmwareMatch-

AND

smasunny_central_500cp_xtMatch-

Node

smasunny_central_630cp_xt_firmwareMatch-

AND

smasunny_central_630cp_xtMatch-

Node

smasunny_central_720cp_xt_firmwareMatch-

AND

smasunny_central_720cp_xtMatch-

Node

smasunny_central_760cp_xt_firmwareMatch-

AND

smasunny_central_760cp_xtMatch-

Node

smasunny_central_storage_500_firmwareMatch-

AND

smasunny_central_storage_500Match-

Node

smasunny_central_storage_630_firmwareMatch-

AND

smasunny_central_storage_630Match-

Node

smasunny_central_storage_720_firmwareMatch-

AND

smasunny_central_storage_720Match-

Node

smasunny_central_storage_760_firmwareMatch-

AND

smasunny_central_storage_760Match-

Node

smasunny_central_storage_800_firmwareMatch-

AND

smasunny_central_storage_800Match-

Node

smasunny_central_storage_850_firmwareMatch-

AND

smasunny_central_storage_850Match-

Node

smasunny_central_storage_900_firmwareMatch-

AND

smasunny_central_storage_900Match-

Node

smasunny_central_storage_1000_firmwareMatch-

AND

smasunny_central_storage_1000Match-

Node

smasunny_central_storage_2200_firmwareMatch-

AND

smasunny_central_storage_2200Match-

Node

smasunny_central_storage_2500-ev_firmwareMatch-

AND

smasunny_central_storage_2500-evMatch-

Node

smasunny_boy_storage_2.5_firmwareMatch-

AND

smasunny_boy_storage_2.5Match-

CPENameOperatorVersion
sma:sunny_boy_3600_firmwaresma sunny boy 3600 firmwareeq-

CPE	Name	Operator	Version
sma:sunny_boy_3600_firmware	sma sunny boy 3600 firmware	eq	-

References

www.sma.de/en/statement-on-cyber-security.html

www.sma.de/fileadmin/content/global/specials/documents/cyber-security/Whitepaper-Cyber-Security-AEN1732_07.pdf

horusscenario.com/CVE-information/

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.4 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.8%

JSON

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