Linux Kernel up to 5.10.6 LIO SCSI target_core_xcopy.c pathname traversal

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

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 5.10.6. The impacted element is an unknown function of the file drivers/target/target_core_xcopy.c of the component LIO SCSI Handler. The manipulation leads to pathname traversal. This vulnerability is documented as CVE-2020-28374. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.10.6 (Operating System) and classified as critical. This issue affects an unknown code of the file drivers/target/target_core_xcopy.c of the component LIO SCSI Handler. The manipulation with an unknown input leads to a pathname traversal vulnerability. Using CWE to declare the problem leads to CWE-21. Impacted is confidentiality, integrity, and availability.

The weakness was released 01/13/2021. The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2020-28374. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 276283 (TencentOS Server 2: kernel (TSSA-2024:1021)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.7 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (276283). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / 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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Nessus ID: 276283
Nessus Name: TencentOS Server 2: kernel (TSSA-2024:1021)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.10.7
Patch: git.kernel.org

Timelineinfo

11/10/2020 🔍
01/13/2021 +64 days 🔍
01/13/2021 +0 days 🔍
11/24/2025 +1776 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-28374 (🔍)
GCVE (CVE): GCVE-0-2020-28374
GCVE (VulDB): GCVE-100-167801

Entryinfo

Created: 01/13/2021 13:55
Updated: 11/24/2025 05:22
Changes: 01/13/2021 13:55 (43), 02/13/2021 01:49 (6), 02/13/2021 01:51 (18), 11/24/2025 05:22 (17)
Complete: 🔍
Cache ID: 216::103

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

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