How severe is CVE-2020-10123?

CVE-2020-10123 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-10123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10123?

CVE-2020-10123 affects Ncr Aptra Xfs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10123?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-10123 published?

CVE-2020-10123 was published on 2020-08-21 and last updated on 2026-06-17.

CVE-2020-10123

CVE-2020-10123 is a medium-severity vulnerability in Ncr Aptra Xfs with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ncr Aptra Xfs
Published: 2020-08-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-10123?: CVE-2020-10123 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-10123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10123?: CVE-2020-10123 affects Ncr Aptra Xfs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10123 published?: CVE-2020-10123 was published on 2020-08-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:ncr:aptra_xfs:*:*:*:*:*:*:*:*

More vulnerabilities in Ncr Aptra Xfs

CVE-2020-9063 — High (CVSS 7.6): NCR SelfServ ATMs running APTRA XFS 05.01.00 or earlier do not authenticate or protect the integrity of USB HID…
CVE-2020-10126 — High (CVSS 7.6): NCR SelfServ ATMs running APTRA XFS 05.01.00 do not properly validate softare updates for the bunch note acceptor…
CVE-2020-10125 — High (CVSS 7.6): NCR SelfServ ATMs running APTRA XFS 04.02.01 and 05.01.00 implement 512-bit RSA certificates to validate bunch note…
CVE-2020-10124 — High (CVSS 7.1): NCR SelfServ ATMs running APTRA XFS 05.01.00 do not encrypt, authenticate, or verify the integrity of messages between…

All CVEs affecting Ncr Aptra Xfs →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →