CVE-2020-10123
The currency dispenser of NCR SelfSev ATMs running APTRA XFS 05.01.00 or earlier does not...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-10123- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-305, CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-10123- Weakness
- CWE-305
- Updated
- 2026-11-02
EUVDEUVD-2020-2586 No score
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.
- Record
EUVD-2020-2586- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9fqf-7qjx-9m2h
The currency dispenser of NCR SelfSev ATMs running APTRA XFS 05.01.00 or earlier does not...
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.
- Record
GHSA-9fqf-7qjx-9m2h- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-287, CWE-305
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-10123 is a medium vulnerability (CVSS 5.3) in Ncr Aptra Xfs, published August 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.
References
kb.cert.org/vuls/id/116713
ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdf
nvd.nist.gov/vuln/detail/CVE-2020-10123
github.com/advisories/GHSA-9fqf-7qjx-9m2h