CVE-2020-22284

HIGH 7.5CVE-2020-22284 · Published 22/07/2021 · updated 17/06/2026

In short

CVE-2020-22284 is a HIGH (CVSS 7.5) vulnerability affecting lwip (lwip project).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 67.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
lwip lwip_project	`= 2.1.2`	No fix yet

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.

References

savannah.nongnu.org/bugs/index.php · Patch

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