Detections
Analytics

CVE-2020-13987

high

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.

References

https://www.kb.cert.org/vuls/id/815128

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

https://cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf

https://www.tenable.com/blog/amnesia33-researchers-disclose-33-vulnerabilities-tcpip-libraries-uip-fnet-picotcp-nutnet

Details

Source: Mitre, NVD

Published: 2020-12-11

Updated: 2022-08-06

Named Vulnerability: AMNESIA:33

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00132