CVE Explorer

CVE-2026-21665

The Print Service component of Fiserv Originate Loans Peripherals (formerly Velocity Services) in unsupported version 2021.2.4 (build 4.7.3155.0011) uses deprecated .NET Remoting TCP channels that allow unsafe deserialization of untrusted data. When these services are exposed to an untrusted network in a client-managed deployment, an unauthenticated attacker can achieve remote code execution. Version 2021.2.4 is no longer supported by Fiserv. Customers should upgrade to a currently supported rel

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e651a25363d4ff5fcd201082fc248922887b56ffafc3628ba8cb68568dd44e95

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Originate Loans Peripherals (formerly Velocity Services) -- Print Service component","vendor":"Fiserv","versions":[{"lessThan":"2021.2.4","status":"affected","version":"2021.2.4","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:472839c54add35ee63d50980b099da8ccc7c78851e300deab36aeab140d49728 · sha256:72ccf88f8a413fd9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:472839c54add35ee63d50980b099da8ccc7c78851e300deab36aeab140d49728 · sha256:72ccf88f8a413fd9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:472839c54add35ee63d50980b099da8ccc7c78851e300deab36aeab140d49728 · sha256:72ccf88f8a413fd9… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://learn.microsoft.com/en-us/dotnet/core/compatibility/core-libraries/5.0/remoting-apis-obsolete"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:472839c54add35ee63d50980b099da8ccc7c78851e300deab36aeab140d49728 · sha256:72ccf88f8a413fd9… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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