CVE-2020-27632
Vulnerability from cvelistv5
Published
2021-03-10 00:00
Modified
2024-08-04 16:18
Severity ?
EPSS score ?
Summary
In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions.
References
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An attacker could predict and hijack TCP sessions." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-10-10T16:28:21.609970", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf" }, { "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01" }, { "url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/" } ] } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-27632", "datePublished": "2021-03-10T00:00:00", "dateReserved": "2020-10-22T00:00:00", "dateUpdated": "2024-08-04T16:18:45.486Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-27632\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-03-10T18:15:12.797\",\"lastModified\":\"2023-10-10T17:15:10.510\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. 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- 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.