CVE-2020-35471

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Envoy versiones anteriores a 1.16.1, maneja inapropiadamente datagramas perdidos y truncados, como es demostrado por un fallo de segmentación para un tamaño de paquete UDP más largo que 1500

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-15 CVE Reserved
2020-12-15 CVE Published
2023-08-30 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/envoyproxy/envoy/issues/14113	2024-08-04

URL	Date	SRC
https://github.com/envoyproxy/envoy/compare/v1.16.0...v1.16.1	2020-12-16
https://github.com/envoyproxy/envoy/pull/14122	2020-12-16

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Envoyproxy Search vendor "Envoyproxy"		Envoy Search vendor "Envoyproxy" for product "Envoy"				< 1.16.1 Search vendor "Envoyproxy" for product "Envoy" and version " < 1.16.1"		-		Affected