Pydio Cells 2.0.4 Public Link permission assignment

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Pydio Cells 2.0.4. Affected by this issue is some unknown functionality of the component Public Link Handler. Such manipulation leads to permission assignment. This vulnerability is uniquely identified as CVE-2020-12848. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Pydio Cells 2.0.4. It has been rated as critical. Affected by this issue is an unknown function of the component Public Link Handler. The manipulation with an unknown input leads to a permission assignment vulnerability. Using CWE to declare the problem leads to CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Pydio Cells 2.0.4, once an authenticated user shares a file selecting the create a public link option, a hidden shared user account is created in the backend with a random username. An anonymous user that obtains a valid public link can get the associated hidden account username and password and proceed to login to the web application. Once logged into the web application with the hidden user account, some actions that were not available with the public share link can now be performed.

The weakness was disclosed 06/05/2020. This vulnerability is handled as CVE-2020-12848 since 05/14/2020. The exploitation is known to be difficult. The attack may be launched remotely. The successful exploitation requires a simple authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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

The entry VDB-156213 is pretty similar. 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: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/14/2020 🔍
06/05/2020 +22 days 🔍
06/06/2020 +1 days 🔍
06/06/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-12848 (🔍)
GCVE (CVE): GCVE-0-2020-12848
GCVE (VulDB): GCVE-100-156212
See also: 🔍

Entryinfo

Created: 06/06/2020 08:25
Updated: 06/06/2020 08:30
Changes: 06/06/2020 08:25 (37), 06/06/2020 08:30 (17)
Complete: 🔍
Cache ID: 216::103

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