Vulnerability Details : 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 commands to dispense currency by generating a new session key that the attacker knows.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-10123
- cpe:2.3:o:ncr:aptra_xfs:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10123
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10123
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
0.9
|
4.0
|
NIST |
CWE ids for CVE-2020-10123
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
-
The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.Assigned by: cret@cert.org (Secondary)
References for CVE-2020-10123
-
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/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdf
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://kb.cert.org/vuls/id/116713
VU#116713 - NCR SelfServ ATM dispenser software contains multiple vulnerabilitiesThird Party Advisory;US Government Resource
-
https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdf
Vendor Advisory
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