Is CVE-2020-10123 in the CISA KEV catalog?

No. CVE-2020-10123 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-10123?

CVE-2020-10123 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2020-10123?

CVE-2020-10123 has an EPSS score of 0.44% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2020-10123?

No published fix for CVE-2020-10123 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2020-10123

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-305 CWE-287Improper Authentication

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Exploit Intelligence

0.44%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Exploit1

ncr.com

Vendor Advisory3

Third-Party Advisory1

kb.cert.org

Other references1

kb.cert.org

Related Vulnerabilities

Other CWE-305 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-31161	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-10923	High	8.8	85%	-	-
CVE-2023-28126	Medium	5.9	67%	-	-
CVE-2023-34124	Critical	9.8	45%	-	Fix
CVE-2024-37085	Medium	6.8	27%	KEV + Ransom	Fix
CVE-2025-32011	Critical	9.8	22%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.