CVE-2020-22283

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Published Jul 22, 2021 CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:lwip_project:lwip:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-3655-1	lwip security update
EUVD	EUVD-2020-15048	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.
Ubuntu USN	USN-8423-1	lwIP vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.404% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Lwip Project Lwip

Weaknesses

CWE-120

Sources

CVE record Updated: Aug 4, 2024, 2:51 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 22, 2021, 12:00 AM
Updated: Aug 4, 2024, 2:51 PM
Reserved: Aug 13, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:04 AM

Status: Modified
Published: Jul 22, 2021, 8:15 PM
Modified: Jun 17, 2026, 3:04 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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