Arista EOS prior 4.21.12M/4.22.7M/4.23.5M/4.24.2F DHCP Packet denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.6 | $0-$5k | 0.00 |
Summary
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.
Details
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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Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: EOS 4.21.12M/4.22.7M/4.23.5M/4.24.2F
Timeline
08/05/2020 🔍10/23/2020 🔍
10/23/2020 🔍
11/25/2020 🔍
Sources
Advisory: arista.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2020-17355 (🔍)
GCVE (CVE): GCVE-0-2020-17355
GCVE (VulDB): GCVE-100-163414
Entry
Created: 10/23/2020 07:46Updated: 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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