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CVE-2020-35498

Published: Feb 11, 2021Updated: Apr 23, 2025 Sources: CVE List NVD BDUCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
8.0%
Top 6.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Open vSwitchСообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
ПК «Sharx Base»ООО «Шаркс ДЦ»
On-prem
Enterprise Software / itsm-monitoring
canonical ltd.commercialGBOperating Systemsaka canonical
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
ооо «шаркс дц»RUEnterprise Softwareaka sharx base
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://ubuntu.com/security/CVE-2020-35498?_ga=2.261199565.113542731.1612758940-997510329.1585215282
ubuntu.com
https://nvd.nist.gov/vuln/detail/CVE-2020-35498
nvd.nist.gov
https://www.debian.org/security/2021/dsa-4852
debian.org
and 8 more references View all →

Timeline

Published
Feb 11, 2021
Last Updated
Apr 23, 2025

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