VDB-225764 · CVE-2023-24545 · EUVD-2023-28561

Arista CloudEOS Software Forwarding Engine resource consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Arista CloudEOS. Affected by this vulnerability is an unknown functionality of the component Software Forwarding Engine. Such manipulation leads to resource consumption. This vulnerability is traded as CVE-2023-24545. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Arista CloudEOS (Cloud Software) (version unknown). It has been rated as problematic. Affected by this issue is an unknown function of the component Software Forwarding Engine. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

The weakness was shared 04/13/2023. The advisory is shared for download at arista.com. This vulnerability is handled as CVE-2023-24545 since 01/26/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-28561). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Arista

Name

CloudEOS

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Arista Networks, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/26/2023 🔍
04/13/2023 +76 days 🔍
04/13/2023 +0 days 🔍
10/22/2025 +923 days 🔍

Sourcesinfo

Advisory: arista.com
Status: Confirmed

CVE: CVE-2023-24545 (🔍)
GCVE (CVE): GCVE-0-2023-24545
GCVE (VulDB): GCVE-100-225764
EUVD: 🔍

Entryinfo

Created: 04/13/2023 09:12
Updated: 10/22/2025 21:52
Changes: 04/13/2023 09:12 (48), 10/22/2025 21:52 (16)
Complete: 🔍
Cache ID: 216::103