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Vulnerability Details :

CVE-2021-33820

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-18 Jun, 2021 | 18:32
Updated At-03 Aug, 2024 | 23:58
Rejected At-
Credits

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67.Attacker could send a huge amount of TCP SYN packet to make web service's resource exhausted. Then the web server is denial-of-service.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:18 Jun, 2021 | 18:32
Updated At:03 Aug, 2024 | 23:58
Rejected At:
▼CVE Numbering Authority (CNA)

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67.Attacker could send a huge amount of TCP SYN packet to make web service's resource exhausted. Then the web server is denial-of-service.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
x_refsource_MISC
https://linuxhint.com/hping3/
x_refsource_MISC
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
x_refsource_MISC
Hyperlink: https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
Resource:
x_refsource_MISC
Hyperlink: https://linuxhint.com/hping3/
Resource:
x_refsource_MISC
Hyperlink: https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
x_refsource_MISC
x_transferred
https://linuxhint.com/hping3/
x_refsource_MISC
x_transferred
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
x_refsource_MISC
x_transferred
Hyperlink: https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://linuxhint.com/hping3/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:18 Jun, 2021 | 19:15
Updated At:12 Jul, 2022 | 17:42

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67.Attacker could send a huge amount of TCP SYN packet to make web service's resource exhausted. Then the web server is denial-of-service.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches

Ubiquiti Inc.
ui
>>camera_g3_flex_firmware>>uvc.v4.30.0.67
cpe:2.3:o:ui:camera_g3_flex_firmware:uvc.v4.30.0.67:*:*:*:*:*:*:*
Ubiquiti Inc.
ui
>>camera_g3_flex>>-
cpe:2.3:h:ui:camera_g3_flex:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.mdcve@mitre.org
Exploit
Third Party Advisory
https://linuxhint.com/hping3/cve@mitre.org
Third Party Advisory
https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-cameracve@mitre.org
Product
Vendor Advisory
Hyperlink: https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33820.md
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://linuxhint.com/hping3/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://store.ui.com/collections/unifi-protect-cameras/products/unifi-video-g3-flex-camera
Source: cve@mitre.org
Resource:
Product
Vendor Advisory

Change History

0
Information is not available yet

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6Records found

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Matching Score-8
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Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.56% / 67.26%
||
7 Day CHG~0.00%
Published-18 Jun, 2021 | 18:38
Updated-03 Aug, 2024 | 23:58
Rejected-Not Available
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KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in UniFi Protect G3 FLEX Camera Version UVC.v4.30.0.67. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.

Action-Not Available
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Matching Score-8
Assigner-HackerOne
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Matching Score-8
Assigner-HackerOne
CVSS Score-7.5||HIGH
EPSS-0.59% / 68.19%
||
7 Day CHG~0.00%
Published-23 Feb, 2021 | 18:28
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
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Action-Not Available
Vendor-n/aUbiquiti Inc.
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Matching Score-8
Assigner-HackerOne
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EPSS-0.30% / 52.87%
||
7 Day CHG~0.00%
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Updated-29 Oct, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Ubiquiti EdgeRouter X Web Service denial of service

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Published-12 Feb, 2019 | 22:00
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-Ubiquiti Inc.HackerOne
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CWE ID-CWE-400
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CWE ID-CWE-20
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EPSS-11.49% / 93.34%
||
7 Day CHG~0.00%
Published-25 Sep, 2019 | 19:51
Updated-05 Aug, 2024 | 01:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
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CWE ID-CWE-770
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Details not found