CVE-2020-10123

MEDIUM EPSS 34.9%
Published Aug 21, 20205y ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Aug 21, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
5.3
Exploitability
0.9
Impact
4.0
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack Vector Physical
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
34.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-287 Improper Authentication Authentication
CWE-305

Affected Products 2

VendorProductVersionRange
ncraptra_xfs* ≤05.01.00
ncrselfserv_atm*any

References 6

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.