NeDi 1.9C System Files /System-Files.php txt injection

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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

A vulnerability was found in NeDi 1.9C. It has been rated as critical. This issue affects an unknown functionality of the file /System-Files.php of the component System Files Handler. The manipulation of the argument txt with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-74. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NeDi 1.9C allows an authenticated user to inject PHP code in the System Files function on the endpoint /System-Files.php via the txt HTTP POST parameter. This allows an attacker to obtain access to the operating system where NeDi is installed and to all application data.

The weakness was shared 02/13/2021. It is possible to read the advisory at n4nj0.github.io. The identification of this vulnerability is CVE-2021-26753 since 02/05/2021. The exploitation is known to be easy. The attack can only be done within the local network. The successful exploitation needs a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/01/2021).

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

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

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.9
NVD Vector: 🔒

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-74
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

02/05/2021 CVE assigned
02/13/2021 +8 days Advisory disclosed
02/13/2021 +0 days VulDB entry created
03/01/2021 +16 days VulDB last update

Sourcesinfoedit

Advisory: n4nj0.github.io
Status: Not defined

CVE: CVE-2021-26753 (🔒)

Entryinfoedit

Created: 02/13/2021 09:52 AM
Updated: 03/01/2021 04:03 PM
Changes: (18) vulnerability_cvss2_nvd_basescore vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss3_nvd_basescore vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a
Complete: 🔍

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