CVE-2020-22284

7.5 highEPSS 1.2%

High (7.5) in lwip project lwip. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-07-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lwip_project:lwip

References

https://savannah.nongnu.org/bugs/index.php?58554
https://savannah.nongnu.org/bugs/index.php?58554

Check your stack JSON