What is CVE-2020-22283?

CVE-2020-22283 is a high-severity vulnerability in Lwip Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-07-22.

How severe is CVE-2020-22283?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Lwip Project

CVE-2020-22283

A buffer overflow vulnerability in the icmp6_send_response_with_addrs_and_netif() function of Free Software Foundation lwIP version git head allows attackers to access sensitive information via a crafted ICMPv6 packet.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Lwip_project Lwip
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Patch, Vendor Advisory)
cve@mitre.org (mailing-list)

Frequently asked questions

What is CVE-2020-22283?: CVE-2020-22283 is a high-severity vulnerability in Lwip Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2021-07-22.
How severe is CVE-2020-22283?: High severity. CVSS v3 base score is 7.5 out of 10.