CVE-2021-45387

Name: CVE-2021-45387
Creator: NVD / NIST
Published: 2022-02-11T17:15:08.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2021-45387 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions
Broadcom	Tcpreplay	4.3.4

References

https://github.com/appneta/tcpreplay/issues/687Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202210-08Third Party Advisory
https://github.com/appneta/tcpreplay/issues/687Exploit, Issue Tracking, Third Party Advisory
https://security.gentoo.org/glsa/202210-08Third Party Advisory

Timeline

Published: Feb 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45387?

tcpreplay 4.3.4 has a Reachable Assertion in add_tree_ipv4() at tree.c.

How severe is CVE-2021-45387?

CVE-2021-45387 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45387?

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-2021-45387?

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

Scan your code now

Source: NVD / NIST