CVE-2020-35471 - Vulnerability Details - OpenCVE

Description

Envoy before 1.16.1 mishandles dropped and truncated datagrams, as demonstrated by a segmentation fault for a UDP packet size larger than 1500.

Published: 2020-12-15

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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:envoyproxy:envoy:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-23143	Envoy before 1.16.1 mishandles dropped and truncated datagrams, as demonstrated by a segmentation fault for a UDP packet size larger than 1500.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00069.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1
https://github.com/envoyproxy/envoy/issues/14113
https://github.com/envoyproxy/envoy/pull/14122
https://nvd.nist.gov/vuln/detail/CVE-2020-35471
https://www.cve.org/CVERecord?id=CVE-2020-35471

History

No history.

Subscriptions

Envoyproxy Envoy

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-12-15T00:48:24.000Z

Updated: 2024-08-04T17:02:07.948Z

Reserved: 2020-12-15T00:00:00.000Z

Link: CVE-2020-35471

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-15T01:15:13.870

Modified: 2024-11-21T05:27:21.490

Link: CVE-2020-35471

Redhat

Severity : Important

Publid Date: 2020-11-20T00:00:00Z

Links: CVE-2020-35471 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

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