systeminformation up to 5.6.3 Parameter os command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in systeminformation up to 5.6.3. It has been declared as critical. This impacts the function si.inetLatency/si.inetChecksite/si.services/si.processLoad of the component Parameter Handler. The manipulation results in os command injection. This vulnerability was named CVE-2021-21388. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in systeminformation up to 5.6.3. Affected is the function si.inetLatency/si.inetChecksite/si.services/si.processLoad of the component Parameter Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 04/30/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-21388. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 5.6.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
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: systeminformation 5.6.4
Patch: github.com

Timelineinfo

12/22/2020 🔍
04/30/2021 +128 days 🔍
04/30/2021 +0 days 🔍
05/03/2021 +3 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21388 (🔍)
GCVE (CVE): GCVE-0-2021-21388
GCVE (VulDB): GCVE-100-174348

Entryinfo

Created: 04/30/2021 07:13
Updated: 05/03/2021 17:32
Changes: 04/30/2021 07:13 (39), 05/03/2021 17:25 (6), 05/03/2021 17:32 (1)
Complete: 🔍
Cache ID: 216::103

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