Vulnerability Monitor

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CVE-2015-8109

Lenovo System Update (formerly ThinkVantage System Update) before 5.07.0019 allows local users to gain privileges by making a prediction of tvsu_tmp_xxxxxXXXXX account credentials that requires knowledge of the time that this account was created, aka a "temporary administrator account vulnerability."

Published

2017-04-24T06:59:00.507

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.0 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-255

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lenovo	lenovo_system_update	≤ 5.07.0013	Yes

References

http://www.securityfocus.com/bid/98039 ([email protected])
https://ioactive.com/pdfs/IOActive_Advisory_Lenovo_SystemUpdate-Insecure-Random-Admin-Password.pdf Exploit, Third Party Advisory ([email protected])
https://support.lenovo.com/us/en/product_security/lsu_privilege Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/98039 (af854a3a-2127-422b-91ae-364da2661108)
https://ioactive.com/pdfs/IOActive_Advisory_Lenovo_SystemUpdate-Insecure-Random-Admin-Password.pdf Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.lenovo.com/us/en/product_security/lsu_privilege Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)