Ubiquiti EdgeMAX EdgeRouter up to 2.0.9 Firmware Update channel accessible

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Ubiquiti EdgeMAX EdgeRouter up to 2.0.9. The affected element is an unknown function of the component Firmware Update Handler. Performing a manipulation results in channel accessible. This vulnerability is known as CVE-2021-22909. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in Ubiquiti EdgeMAX EdgeRouter up to 2.0.9 (Router Operating System). This affects an unknown functionality of the component Firmware Update Handler. The manipulation with an unknown input leads to a channel accessible vulnerability. CWE is classifying the issue as CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 05/28/2021. It is possible to read the advisory at community.ui.com. This vulnerability is uniquely identified as CVE-2021-22909. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1557 according to MITRE ATT&CK.

Applying the patch 2.0.9-hotfix.1 is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Channel accessible
CWE: CWE-300
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2.0.9-hotfix.1

Timelineinfo

01/06/2021 🔍
05/28/2021 +141 days 🔍
05/28/2021 +0 days 🔍
05/30/2021 +2 days 🔍

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2021-22909 (🔍)
GCVE (CVE): GCVE-0-2021-22909
GCVE (VulDB): GCVE-100-175995

Entryinfo

Created: 05/28/2021 07:40
Updated: 05/30/2021 14:28
Changes: 05/28/2021 07:40 (39), 05/30/2021 14:28 (5)
Complete: 🔍
Cache ID: 216::103

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