CVE-2021-42380CWE-416

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function

High · published November 15, 2021

CVSS v3.1
7.2
EPSS
3%
Percentile
87.6
In the wild
Unconfirmed
What it is

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03087 · 87.6th percentile
Weakness
CWE-416 · Use After Free
Published
2021-11-15T00:00Z
EPSS history
Timeline
  • 15 NOV 00:00Z
    A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function
    cvelistv5