CVE Explorer

CVE-2026-45575

epa4all-client is the Java Client for epa4all / ePA 3.0 in the Telematik Infrastruktur. Prior to 1.2.2, an attacker who can MITM the TLS connection between the client and the IDP (within the TI network) can substitute a forged discovery document. The forged document redirects uri_puk_idp_enc and uri_puk_idp_sig to attacker-controlled URLs. The client then encrypts the SMC-B-signed challenge response to the attacker's encryption key and POSTs it to the attacker's auth endpoint. This captures the

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9f6dff49e065e40552dc2408d5bb025a4ec408c6c187a00a4841f39110fe8b25

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"epa4all-client","vendor":"oviva-ag","versions":[{"status":"affected","version":"< 1.2.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/affected/0

{"product":"epa4all-client","vendor":"com.oviva.telematik","versions":[{"status":"affected","version":"< 1.2.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/affected/1

Affected products and versions

2 source assertions

{"product":"epa4all-client","vendor":"oviva-ag","versions":[{"status":"affected","version":"< 1.2.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/affected/0

{"product":"epa4all-client","vendor":"com.oviva.telematik","versions":[{"status":"affected","version":"< 1.2.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/oviva-ag/epa4all-client/pull/36","tags":["x_refsource_MISC"],"url":"https://github.com/oviva-ag/epa4all-client/pull/36"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /containers/cna/references/1

{"name":"https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-gqx7-6552-67hf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/oviva-ag/epa4all-client/security/advisories/GHSA-gqx7-6552-67hf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:e7b07d49ae4fc13c8b0cbd918cc07d791698206c52bd61d5f90433627c13354f · sha256:487c01b0730b30b5… · /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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