Synology DiskStation Manager prior 6.2.3-25426-3 Web Request iscsi_snapshot_comm_core out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical was found in Synology DiskStation Manager (Network Attached Storage Software). This vulnerability affects the function iscsi_snapshot_comm_core of the component Web Request Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 03/12/2021 as SA_20_26. The advisory is shared for download at synology.com. This vulnerability was named CVE-2021-27647. There are known technical details, but no exploit is available.

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

Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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: DiskStation Manager 6.2.3-25426-3

Timelineinfo

02/24/2021 🔍
03/12/2021 +16 days 🔍
03/12/2021 +0 days 🔍
04/01/2021 +19 days 🔍

Sourcesinfo

Vendor: synology.com

Advisory: SA_20_26
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27647 (🔍)

Entryinfo

Created: 03/12/2021 13:40
Updated: 04/01/2021 00:19
Changes: 03/12/2021 13:40 (40), 04/01/2021 00:12 (6), 04/01/2021 00:19 (8)
Complete: 🔍

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