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CVE-2026-37231

FlexRIC v2.0.0 uses a uint16_t counter for xapp_id assignment but stores the value in uint32_t message fields. After 65,530+ E42_SETUP_REQUESTs, the 16-bit counter wraps around and produces duplicate xapp_ids. The iApp (port 36422) crashes when attempting to register a duplicate ID in its internal data structure. A remote attacker can trigger this by repeatedly connecting and requesting new xApp registrations.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:96b1e4c28f06fa6750b5e2d6c0d42a62fd842bb1666ddca51904f05c165f243a
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-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://github.com/MinamiKotor1/oran-security-advisories-zhongnan-luo/blob/main/advisories/CVE-2026-37231.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /containers/cna/references/1
{"url":"https://gitlab.eurecom.fr/mosaic5g/flexric"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5ca7e2eb5a728acb055f9dd6c1c037c8858135f9a99e45ba56437947d4e34a0f · sha256:77929005fb3ed8b6… · /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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