CVE-2020-12740
9.1
CRITICAL
CVSS 3.1
EPSS 0.51%
Description
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.
How to fix CVE-2020-12740
To remediate CVE-2020-12740, upgrade the affected package to a fixed version below.
- Debian/tcpreplay—upgrade to 4.3.3-1 or later
Is CVE-2020-12740 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |