ONLYOFFICE Document Server up to 5.6.2 JWT /upload pathname traversal

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in ONLYOFFICE Document Server up to 5.6.2. Impacted is an unknown function of the file /upload of the component JWT. The manipulation leads to pathname traversal. This vulnerability is uniquely identified as CVE-2021-3199. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ONLYOFFICE Document Server up to 5.6.2. It has been rated as critical. This issue affects an unknown code of the file /upload of the component JWT. The manipulation with an unknown input leads to a pathname traversal vulnerability. Using CWE to declare the problem leads to CWE-21. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 01/27/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-3199. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

Upgrading to version 5.6.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Document Server 5.6.3
Patch: github.com

Timelineinfo

01/21/2021 🔍
01/27/2021 +6 days 🔍
01/27/2021 +0 days 🔍
02/20/2021 +24 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3199 (🔍)
GCVE (CVE): GCVE-0-2021-3199
GCVE (VulDB): GCVE-100-168767
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/27/2021 11:40
Updated: 02/20/2021 14:58
Changes: 01/27/2021 11:40 (43), 02/20/2021 14:51 (3), 02/20/2021 14:58 (18)
Complete: 🔍
Cache ID: 216::103

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