Synology DSM prior 7.1-42661 iSCSI Management missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in Synology DSM. It has been rated as critical. This issue affects some unknown processing of the component iSCSI Management. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Missing authentication for critical function vulnerability in iSCSI management functionality in Synology DiskStation Manager (DSM) before 7.1-42661 allows remote attackers to read or write arbitrary files via unspecified vectors.

The weakness was presented 10/25/2022 as SA_22_18. It is possible to read the advisory at synology.com. The identification of this vulnerability is CVE-2022-27623 since 03/21/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.1-42661 eliminates this vulnerability.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒

CNA Base Score: 7.4
CNA Vector (Synology Inc.): 🔒

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
ATT&CK: Unknown

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 7.1-42661

Timelineinfo

03/21/2022 CVE reserved
10/25/2022 +217 days Advisory disclosed
10/25/2022 +0 days VulDB entry created
11/23/2022 +29 days VulDB last update

Sourcesinfo

Vendor: synology.com

Advisory: SA_22_18
Status: Confirmed

CVE: CVE-2022-27623 (🔒)

Entryinfo

Created: 10/25/2022 10:27 PM
Updated: 11/23/2022 11:05 PM
Changes: 10/25/2022 10:27 PM (41), 11/23/2022 11:05 PM (22)
Complete: 🔍

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