CVE Explorer
CVE-2025-7383
Padding oracle attack vulnerability in Oberon microsystem AG’s Oberon PSA Crypto library in all versions since 1.0.0 and prior to 1.5.1 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1
Preserved source conflicts
No provider value was silently selected as the winner.
cwe · 2 assertions
{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/problemTypes/0/descriptions/0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","modules":["AES-CBC with PKCS#7 padding"],"product":"Oberon PSA Crypto","vendor":"Oberon microsystems AG","versions":[{"lessThanOrEqual":"1.5.0","status":"affected","version":"1.0.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
2 source assertions{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-208","description":"CWE-208 Observable Timing Discrepancy","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.oberon.ch/security-advisories/cve-2025-7383/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:1e39974d800f50ceecdd5a8e44abde233fa3b1be2c0ad939cdd7a1e2670611e3 · sha256:c2283e5e197703a1… · /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.