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CVE-2023-39541

MEDIUMCVSS 5.9/10EPSS 0.81%

Last modified

CVE-2023-39541 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.81%

52.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Weston-EmbeddedUc-Tcp-Ip3.06.01

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. 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.
How severe is CVE-2023-39541?
CVE-2023-39541 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2023-39541?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39541?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST