Arista EOS prior 4.21.12M/4.22.7M/4.23.5M/4.24.2F DHCP Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Arista EOS. It has been declared as problematic. This impacts an unknown function of the component DHCP Packet Handler. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2020-17355. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Arista EOS. This vulnerability affects some unknown processing of the component DHCP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 10/23/2020. The advisory is available at arista.com. This vulnerability was named CVE-2020-17355. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 4.21.12M, 4.22.7M, 4.23.5M or 4.24.2F eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: EOS 4.21.12M/4.22.7M/4.23.5M/4.24.2F

Timelineinfo

08/05/2020 🔍
10/23/2020 +79 days 🔍
10/23/2020 +0 days 🔍
11/25/2020 +33 days 🔍

Sourcesinfo

Advisory: arista.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-17355 (🔍)
GCVE (CVE): GCVE-0-2020-17355
GCVE (VulDB): GCVE-100-163414

Entryinfo

Created: 10/23/2020 07:46
Updated: 11/25/2020 19:50
Changes: 10/23/2020 07:46 (36), 11/25/2020 19:44 (3), 11/25/2020 19:50 (18)
Complete: 🔍
Cache ID: 216::103

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