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 Aug 21, 2020
5.3
MEDIUMCVSS 3.1
EPSS 0.44%
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.
Affected products
-
- Version APTRA XFSStatusaffectedConstraints<=05.01.00
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NCR | SelfServ ATM | n/a |
|
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.44% (0.00436) | 35.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.44% (0.00436) | 34.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00076) | 20.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00116) | 46.96th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.12% (0.00116) | 44.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00085) | 34.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.79% (0.01787) | 54.18th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.36% (0.05363) | 79.74th | v1 |
| Jan 6, 2022 | 5.36% (0.05363) | 79.54th | v1 |
| Jan 5, 2022 | 1.25% (0.01247) | 69.74th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (6)
- https://kb.cert.org/vuls/id/116713 x_refsource_MISCThird Party AdvisoryUS 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.pdf x_refsource_MISCExploitVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdf x_refsource_MISCVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdf x_refsource_MISCVendor Advisory
- https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdf x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.cert.org/vuls/id/116713 | x_refsource_MISCThird Party AdvisoryUS 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.pdf | x_refsource_MISCExploitVendor Advisory | |
| https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-10-S1_and_S2_Critical_Update.pdf | x_refsource_MISCVendor Advisory | |
| https://www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdf | x_refsource_MISCVendor Advisory | |
| https://www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdf | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.