CVE-2020-13987 (GCVE-0-2020-13987)

Vulnerability from cvelistv5 – Published: 2020-12-11 21:37 – Updated: 2024-08-04 12:32
VLAI
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Date Public
2020-12-08 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:51:23+00:00",
      "cve": "CVE-2020-13987",
      "id": "CVE-2020-13987",
      "initial_release_date": "2020-12-09T00:00:00+00:00",
      "product_status:fixed": "78",
      "product_status:known_affected": "6",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Open-iSCSI: OOB read in checksum calculation in uIP",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-13987.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-01T04:08:12Z",
      "cve": "CVE-2020-13987",
      "id": "CVE-2020-13987",
      "initial_release_date": "2023-02-15T03:58:06Z",
      "product_status:known_affected": "9",
      "product_status:known_not_affected": "42",
      "product_status:recommended": "289",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-13987",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-13987.json",
      "version": "24"
    }
  }
}



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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

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.