CVE-2020-10123 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.3 MEDIUM
Vector:  CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://kb.cert.org/vuls/id/116713 Third Party Advisory  US Government Resource 
https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Secure_white_paper-Dispenser_Security_Solution_September_2018.pdf Exploit  Vendor Advisory 
https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdf Vendor Advisory 
https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdf Vendor Advisory 
https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdf Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  
CWE-305 Authentication Bypass by Primary Weakness Reference acceptance level CERT/CC  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-10123
NVD Published Date:
08/21/2020
NVD Last Modified:
08/27/2020
Source:
CERT/CC