VDB-182336 · CVE-2021-28494 · GCVE-0-2021-28494

Arista Metamako Operating System up to 0.34.0 Web UI improper authentication

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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Arista Metamako Operating System up to 0.34.0. Affected by this vulnerability is an unknown functionality of the component Web UI. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2021-28494. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Arista Metamako Operating System up to 0.34.0 and classified as critical. Affected by this issue is an unknown function of the component Web UI. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was released 09/09/2021. The advisory is shared for download at arista.com. This vulnerability is handled as CVE-2021-28494. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Arista

Name

Metamako Operating System

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector ([email protected]): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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

03/16/2021 🔍
09/09/2021 +176 days 🔍
09/09/2021 +0 days 🔍
09/12/2021 +3 days 🔍

Sourcesinfo

Advisory: arista.com
Status: Confirmed

CVE: CVE-2021-28494 (🔍)
GCVE (CVE): GCVE-0-2021-28494
GCVE (VulDB): GCVE-100-182336

Entryinfo

Created: 09/09/2021 17:40
Updated: 09/12/2021 08:19
Changes: 09/09/2021 17:40 (53), 09/12/2021 08:14 (2), 09/12/2021 08:18 (12), 09/12/2021 08:19 (1)
Complete: 🔍
Cache ID: 216::103