CVE-2020-22284

HIGH
7.5
CVSS Score
Published: July 22, 2021 at 07:38 PM UTC
Updated: June 17, 2026 at 03:04 AM UTC
1 product affected across 1 vendorLwip

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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