High severity · published Sep 26, 2017
CVE-2017-9956
An authentication bypass vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the system contains a hard-coded valid session
7.3
CVSS
1.1%
EPSS
No
On KEV
Description
An authentication bypass vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the system contains a hard-coded valid session. An attacker can use that session ID as part of the HTTP cookie of a web request, resulting in authentication bypass
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
U.motion Builder · Schneider-electric
through 1.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9956
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9956
Vendor Advisory
http://www.schneider-electric.com/en/download/document/SEVD-2017-178-01/
Third Party Advisory
http://www.securityfocus.com/bid/99344
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