CVE-2020-10123: ncr aptra_xfs
Vulnerability summary
CVE-2020-10123 is a medium (CVSS 5.3) vulnerability in ncr aptra_xfs. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 21-08-2020PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
0.00 pp
From 0.44% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (ncr.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-305Authentication Bypass by Primary WeaknessThe 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.
- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected systems
Ncr2 products
- aptra_xfs≤ 05.01.00
- selfserv atm≥ APTRA XFS, ≤ 05.01.00
1 vendor · 2 products
References
6 links- www.ncr.com/content/dam/ncrcom/unsorted/jackpot_attacks_in_the_us_-_january_2018.pdfX Refsource MISCVendor Advisory
- www.ncr.com/content/dam/ncrcom/content-type/documents/NCR_Security_Alert-2018-13_APTRA_XFS_v5.pdfX Refsource MISCVendor Advisory