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CVE-2025-6188

On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS. UDP Port 3503 is associated with LspPing Echo Reply. This can result in unexpected behaviors, especially for UDP based services that do not perform some form of authentication.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ae92aea7e5ed02021f5e0dbe193907918754cd3f24488f242416dd8c3ff7c714
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

{"description":"288","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","platforms":["EOS"],"product":"EOS","vendor":"Arista Networks","versions":[{"lessThanOrEqual":"4.33.1F","status":"affected","version":"4.33.0","versionType":"custom"},{"lessThanOrEqual":"4.33.1.2F","status":"affected","version":"4.33.1.0","versionType":"custom"},{"lessThanOrEqual":"4.32.4.1M","status":"affected","version":"4.32.4.0","versionType":"custom"},{"lessThanOrEqual":"4.31.6M","status":"affected","version":"4.31.0","versionType":"custom"},{"lessThanOrEqual":"4.30.9.1M","status":"affected","version":"4.30.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"288","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/22021-security-advisory-0121"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7b3f7cb1d48de85f7535b37840e9c84f282e5cc490dbf6f28f2a73cbb62dec26 · sha256:85b368a145c3d661… · /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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