What’s Vulnerable › Vulnerabilities

CVE-2020-22283

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-22 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• Lwip Project Lwip: all versions

References

• https://lists.debian.org/debian-lts-announce/2023/11/msg00011.html
• https://savannah.nongnu.org/bugs/index.php?58553
• https://lists.debian.org/debian-lts-announce/2023/11/msg00011.html
• https://savannah.nongnu.org/bugs/index.php?58553

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