CVE-2020-18976

5.5 mediumEPSS 0.7%

Medium (5.5) in broadcom tcpreplay. EPSS 0.7% chance of exploitation in the next 30 days.

Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-08-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

broadcom:tcpreplay

References

https://github.com/appneta/tcpreplay/issues/556
https://github.com/appneta/tcpreplay/issues/556

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