Ubiquiti UniFi Protect G3 FLEX 4.30.0.67 TCP SYN Packet resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Ubiquiti UniFi Protect G3 FLEX 4.30.0.67. Affected is an unknown function of the component TCP SYN Packet Handler. Such manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2021-33820. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Ubiquiti UniFi Protect G3 FLEX 4.30.0.67 and classified as problematic. Affected by this issue is some unknown functionality of the component TCP SYN Packet Handler. 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.

The weakness was disclosed 06/19/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2021-33820. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/03/2021 🔍
06/19/2021 +16 days 🔍
06/19/2021 +0 days 🔍
06/21/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-33820 (🔍)
GCVE (CVE): GCVE-0-2021-33820
GCVE (VulDB): GCVE-100-177242
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/19/2021 15:53
Updated: 06/21/2021 17:43
Changes: 06/19/2021 15:53 (39), 06/21/2021 17:43 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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