SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-39541

A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01.

MEDIUM 5.9EPSS 0.81%

Does this matter?

Lower severity and a low EPSS score (0.81%). Track it; it rarely justifies an emergency change on its own.

Description

A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.81% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-126, CWE-125
Affected
weston-embedded/uc-tcp-ip
Source
talos-cna@cisco.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.