CVE-2020-22284
7.5
HIGH
CVSS 3.1
EPSS 0.40%
Description
A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.
How to fix CVE-2020-22284
To remediate CVE-2020-22284, upgrade the affected package to a fixed version below.
- Debian/lwip—upgrade to 2.1.2+dfsg1-8+deb11u1 or later
Is CVE-2020-22284 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.1.2+dfsg1-8+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |