Vulnerability CVE-2017-9863


Published: 2017-08-05

Description:
** DISPUTED ** An issue was discovered in SMA Solar Technology products. If a user simultaneously has Sunny Explorer running and visits a malicious host, cross-site request forgery can be used to change settings in the inverters (for example, issuing a POST request to change the user password). All Sunny Explorer settings available to the authenticated user are also available to the attacker. (In some cases, this also includes changing settings that the user has no access to.) This may result in complete compromise of the device. NOTE: the vendor reports that exploitation is unlikely because Sunny Explorer is used only rarely. Also, only Sunny Boy TLST-21 and TL-21 and Sunny Tripower TL-10 and TL-30 could potentially be affected.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
SMA -> Sunny boy 5000 firmware 
SMA -> Sunny central 800cp xt firmware 
SMA -> Sunny central storage 1000 firmware 
SMA -> Sunny central storage 760 firmware 
SMA -> Sunny boy 3000tl firmware 
SMA -> Sunny boy 4000tl firmware 
SMA -> Sunny boy 5.0 firmware 
SMA -> Sunny tripower 25000tl firmware 
SMA -> Sunny central storage 2200 firmware 
SMA -> Sunny tripower 12000tl firmware 
SMA -> Sunny central 630cp xt firmware 
SMA -> Sunny boy 2.5 firmware 
SMA -> Sunny central storage 630 firmware 
SMA -> Sunny boy 4.0 firmware 
SMA -> Sunny boy 3.6 firmware 
SMA -> Sunny central storage 500 firmware 
SMA -> Sunny central 500cp xt firmware 
SMA -> Sunny central 1000cp xt firmware 
SMA -> Sunny central 850cp xt firmware 
SMA -> Sunny central storage 800 firmware 
SMA -> Sunny central 900cp xt firmware 
SMA -> Sunny tripower 20000tl firmware 
SMA -> Sunny central storage 900 firmware 
SMA -> Sunny tripower core1 firmware 
SMA -> Sunny explorer 
SMA -> Sunny boy 5000tl firmware 
SMA -> Sunny tripower 5000tl firmware 
SMA -> Sunny boy storage 2.5 firmware 
SMA -> Sunny central 2200 firmware 
SMA -> Sunny central storage 720 firmware 
SMA -> Sunny central 760cp xt firmware 
SMA -> Sunny boy 3600tl firmware 
SMA -> Sunny central 720cp xt firmware 
SMA -> Sunny central storage 2500-ev firmware 
SMA -> Sunny boy 1.5 firmware 
SMA -> Sunny boy 3.0 firmware 
SMA -> Sunny boy 3600 firmware 
SMA -> Sunny tripower 15000tl firmware 
SMA -> Sunny tripower 60 firmware 
SMA -> Sunny central storage 850 firmware 

 References:
http://www.sma.de/en/statement-on-cyber-security.html
http://www.sma.de/fileadmin/content/global/specials/documents/cyber-security/Whitepaper-Cyber-Security-AEN1732_07.pdf
https://horusscenario.com/CVE-information/

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