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FKIE_CVE-2020-13987

Vulnerability from fkie_nvd - Published: 2020-12-11 22:15 - Updated: 2026-06-17 02:54
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.
References
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdfPatch, Third Party Advisory
cve@mitre.orghttps://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
cve@mitre.orghttps://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdfPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/815128Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
uip_project uip *
contiki-os contiki *
open-iscsi_project open-iscsi *
siemens sentron_3va_com100_firmware *
siemens sentron_3va_com100 -
siemens sentron_3va_com800_firmware *
siemens sentron_3va_com800 -
siemens sentron_pac3200_firmware *
siemens sentron_pac3200 -
siemens sentron_pac4200_firmware *
siemens sentron_pac4200 -
To clipboard 

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  "cveTags": [],
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      "lang": "en",
      "value": "An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c."
    },
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      "lang": "es",
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  "id": "CVE-2020-13987",
  "lastModified": "2026-06-17T02:54:03.397",
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "version": "2.0"
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  "published": "2020-12-11T22:15:12.543",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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