fkie_cve-2020-27634
Vulnerability from fkie_nvd
Published
2023-10-10 17:15
Modified
2024-11-21 05:21
Severity ?
Summary
In Contiki 4.5, TCP ISNs are improperly random.
References
▶ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01 | Third Party Advisory, US Government Resource | |
cve@mitre.org | https://www.forescout.com | Third Party Advisory | |
cve@mitre.org | https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01 | Third Party Advisory, US Government Resource | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.forescout.com | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/ | Third Party Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
contiki-ng | contiki-ng | 4.5 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:contiki-ng:contiki-ng:4.5:*:*:*:*:*:*:*", "matchCriteriaId": "93EA8725-2367-4899-96B6-5B4419C9B3DB", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "In Contiki 4.5, TCP ISNs are improperly random." }, { "lang": "es", "value": "En Contiki 4.5, los ISN de TCP son incorrectamente aleatorios." } ], "id": "CVE-2020-27634", "lastModified": "2024-11-21T05:21:33.177", "metrics": { "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2023-10-10T17:15:10.657", "references": [ { "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "US Government Resource" ], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://www.forescout.com" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource" ], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://www.forescout.com" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-330" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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