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CVE-2026-20893

Origin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability is exploited, an attacker who can log in to the Windows system where the affected product is installed may execute arbitrary code with SYSTEM privilege and/or modify the registry value.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4583a96dc77aa4428a4ba708c1c1d7ebe3bca80318eccb0833567194b7cae629
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/metrics/0/cvssV3_0

{"metric":{"baseScore":8.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"product":"Fujitsu Security Solution AuthConductor Client Basic V2","vendor":"Fujitsu Client Computing Limited","versions":[{"status":"affected","version":"2.0.25.0 and earlier"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/metrics/0/cvssV3_0
{"metric":{"baseScore":8.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-346","description":"Origin validation error","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://jvn.jp/en/jp/JVN24626628/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /containers/cna/references/1
{"url":"https://www.fmworld.net/biz/common/info/202601acc/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2a6b066d2117c067bb92d1ea58b38e6bcbf563d94b2f50326d553593f867d3ea · sha256:2764b58204c21b13… · /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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