Seagate Central NAS STCG4000300 Web-Management Application mv_backend_helper.php mv_backend_launch os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Seagate Central NAS STCG2000300, Central NAS STCG3000300 and Central NAS STCG4000300. The affected element is the function mv_backend_launch of the file cirrus/application/helpers/mv_backend_helper.php of the component Web-Management Application. Such manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2020-6627. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Seagate Central NAS STCG2000300, Central NAS STCG3000300 and Central NAS STCG4000300 (version unknown). Affected by this issue is the function mv_backend_launch of the file cirrus/application/helpers/mv_backend_helper.php of the component Web-Management Application. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The web-management application on Seagate Central NAS STCG2000300, STCG3000300, and STCG4000300 devices allows OS command injection via mv_backend_launch in cirrus/application/helpers/mv_backend_helper.php by leveraging the "start" state and sending a check_device_name request.

The weakness was disclosed 12/06/2022. The advisory is shared for download at pentest.blog. This vulnerability is handled as CVE-2020-6627 since 01/09/2020. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at github.com. It is declared as highly functional. By approaching the search of inurl:cirrus/application/helpers/mv_backend_helper.php it is possible to find vulnerable targets with Google Hacking.

The vulnerability is also documented in the vulnerability database at Exploit-DB (51487). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/09/2020 🔍
12/06/2022 +1062 days 🔍
12/06/2022 +0 days 🔍
04/23/2025 +869 days 🔍

Sourcesinfo

Advisory: pentest.blog
Status: Confirmed

CVE: CVE-2020-6627 (🔍)
GCVE (CVE): GCVE-0-2020-6627
GCVE (VulDB): GCVE-100-215012
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/06/2022 19:29
Updated: 04/23/2025 19:39
Changes: 12/06/2022 19:29 (35), 12/06/2022 19:30 (12), 12/31/2022 21:10 (1), 12/31/2022 21:21 (11), 06/24/2024 12:45 (15), 04/23/2025 19:39 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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