CVE-2020-13987

HIGH 7.5CVE-2020-13987 · Published 11/12/2020 · updated 17/06/2026

In short

CVE-2020-13987 is a HIGH (CVSS 7.5) vulnerability affecting open-iscsi (open-iscsi project), uip (uip project).
Chance of exploitation in the next 30 days (EPSS): 3.3%, higher than 88.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
open-iscsi open-iscsi_project	`≤ 2.1.12`	No fix yet
uip uip_project	`≤ 1.0`	No fix yet

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

cert-portal.siemens.com/productcert/pdf/ssa-541018.pdf · Patch
us-cert.cisa.gov/ics/advisories/icsa-20-343-01 · Third Party Advisory
kb.cert.org/vuls/id/815128 · Third Party Advisory

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