CVE-2020-10123
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…
Does this matter?
Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-305, CWE-287
- Affected
- ncr/aptra xfs
- Source
- cret@cert.org
References
- https://kb.cert.org/vuls/id/116713Third Party Advisory, US Government Resource
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Secure_white_paper-Dispenser_Security_Solution_September_2018.pdfExploit, Vendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdfVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdfVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdfVendor Advisory
- https://kb.cert.org/vuls/id/116713Third Party Advisory, US Government Resource
- https://www.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.pdfExploit, Vendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdfVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdfVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.