CVE-2020-10123 Information

Description

The currency dispenser of NCR SelfSev ATMs running APTRA XFS 05.01.00 or earlier does not adequately authenticate session key generation requests from the host computer allowing an attacker with physical access to internal ATM components to issue valid commands to dispense currency by generating a new session key that the attacker knows.

CVSS Vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Reference

https://kb.cert.org/vuls/id/116713 https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Secure_white_paper-Dispenser_Security_Solution_September_2018.pdf https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdf https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdf https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.3