CVE-2020-13987
Open-iSCSI: OOB read in checksum calculation in uIP
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 9, 2020
Updated · November 21, 2025
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.
Statement
Although a vulnerable version of uIP is included in iscsi-initiator-utils, it is believed that the vulnerability can not be actively exploited in that particular context.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-805 · Buffer Access with Incorrect Length Value