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.
Published 2020-08-21 21:15:11
Updated 2020-08-27 18:09:02
Source CERT/CC
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2020-10123

Exploit prediction scoring system (EPSS) score for CVE-2020-10123

EPSS FAQ
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

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