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CVE-2020-13987

nvd nist
Published: Dec 11, 2020Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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.

Affected (6)

Uip Project
1 product
Uip
Open Iscsi Project
1 product
Open Iscsi
Siemens
4 products
Sentron 3va Com100 Firmware
Sentron 3va Com800 Firmware
Sentron Pac3200 Firmware
Sentron Pac4200 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Uip
Up to 1.0
Running on/withPlatform Versions
Contiki Os
Contiki
Up to 3.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Open Iscsi
Up to 2.1.12
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Sentron 3va Com100 Firmware
Before 4.4.1
Running on/withPlatform Versions
Siemens
Sentron 3va Com100
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Sentron 3va Com800 Firmware
Before 4.4.1
Running on/withPlatform Versions
Siemens
Sentron 3va Com800
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Sentron Pac3200 Firmware
Before 2.4.7
Running on/withPlatform Versions
Siemens
Sentron Pac3200
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Sentron Pac4200 Firmware
Before 2.3.0
Running on/withPlatform Versions
Siemens
Sentron Pac4200
All versions

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (6)

Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Third Party AdvisoryUS Government Resource
Source: cve@mitre.org
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource

Timeline

No history available yet.