Synology DSM prior 6.2.4-2555 PDF Viewer path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Synology DSM. Affected by this vulnerability is an unknown functionality of the component PDF Viewer. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2021-33182. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Synology DSM. This vulnerability affects an unknown function of the component PDF Viewer. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was released 06/02/2021 as SA_21_03. The advisory is shared for download at synology.com. This vulnerability was named CVE-2021-33182. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 6.2.4-2555 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DSM 6.2.4-2555

Timelineinfo

05/18/2021 🔍
06/02/2021 +15 days 🔍
06/02/2021 +0 days 🔍
06/05/2021 +3 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_21_03
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-33182 (🔍)
GCVE (CVE): GCVE-0-2021-33182
GCVE (VulDB): GCVE-100-176176

Entryinfo

Created: 06/02/2021 09:27
Updated: 06/05/2021 08:22
Changes: 06/02/2021 09:27 (38), 06/05/2021 08:18 (6), 06/05/2021 08:22 (1)
Complete: 🔍
Cache ID: 216::103

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