Byzoro Smart S80 Management Platform up to 20240317 userattestation.php web_img unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k1.40

Summaryinfo

A vulnerability labeled as critical has been found in Byzoro Smart S80 Management Platform up to 20240317. The affected element is an unknown function of the file /useratte/userattestation.php. Such manipulation of the argument web_img leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2024-3521. The attack can be launched remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is an unknown part of the file /useratte/userattestation.php. The manipulation of the argument web_img with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-3521. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:useratte/userattestation.php it is possible to find vulnerable targets with Google Hacking.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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

04/09/2024 🔍
04/09/2024 +0 days 🔍
04/09/2024 +0 days 🔍
05/11/2024 +31 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2024-3521 (🔍)
GCVE (CVE): GCVE-0-2024-3521
GCVE (VulDB): GCVE-100-259892
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/09/2024 18:28
Updated: 05/11/2024 00:26
Changes: 04/09/2024 18:28 (56), 05/11/2024 00:12 (2), 05/11/2024 00:26 (18)
Complete: 🔍
Submitter: Guo Jiabao
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #308509: Beijing Baizhuo Network Technology Co., LTD Smart S80 S80 files upload (by Guo Jiabao)

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