CVE-2020-12740

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

CVSS v3.1 NVD

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v2.0 NVD

6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P

EPSS

1.69% chance of exploitation in the next 30 days, 77th percentile

Published

2020-05-08

Updated

2024-08-04

Proof-of-concept exploits (1)

• appneta/tcpreplay/issues/5761353★ · 2026-08-15

References

• CVE Record
• NVD entry

Related

• CVE-2017-6429
• CVE-2018-13112
• CVE-2018-17580
• CVE-2018-17582
• CVE-2018-17974
• CVE-2018-18407