Synology DiskStation Manager up to 6.2.3-25423 faad path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Synology DiskStation Manager. Affected is an unknown function of the component faad. This manipulation causes path traversal. This vulnerability is handled as CVE-2021-26567. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology DiskStation Manager (Network Attached Storage Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component faad. 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, integrity, and availability.

The weakness was released 02/27/2021 as SA_20_26. The advisory is shared at synology.com. This vulnerability is known as CVE-2021-26567. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 6.2.3-25426-3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: DiskStation Manager 6.2.3-25426-3

Timelineinfo

02/02/2021 🔍
02/27/2021 +25 days 🔍
02/27/2021 +0 days 🔍
01/15/2025 +1418 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_20_26
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-26567 (🔍)
GCVE (CVE): GCVE-0-2021-26567
GCVE (VulDB): GCVE-100-170521

Entryinfo

Created: 02/27/2021 08:19
Updated: 01/15/2025 07:16
Changes: 02/27/2021 08:19 (39), 03/05/2021 21:30 (6), 03/05/2021 21:34 (1), 03/14/2021 07:29 (18), 01/15/2025 07:16 (20)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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