CVE-2021-21876 - Vulnerability Details - OpenCVE

Description

Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

Published: 2021-12-22

Score: 9.1 Critical

EPSS: 3.7% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Lantronix

affected

Version	Status	Constraints
`Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*

cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-9047	Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03737.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315

History

No history.

Subscriptions

Lantronix Premierwave 2050 Premierwave 2050 Firmware

MITRE

Status: PUBLISHED

Assigner: talos

Published: 2021-12-22T18:06:27.000Z

Updated: 2024-08-03T18:23:29.620Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-21876

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-22T19:15:08.843

Modified: 2024-11-21T05:49:09.587

Link: CVE-2021-21876

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

{"containers": {"cna": {"affected": [{"product": "Lantronix", "vendor": "n/a", "versions": [{"status": "affected", "version": "Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)"}]}], "descriptions": [{"lang": "en", "value": "Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-12-22T18:06:27.000Z", "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "talos-cna@cisco.com", "ID": "CVE-2021-21876", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Lantronix", "version": {"version_data": [{"version_value": "Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability."}]}, "impact": {"cvss": {"baseScore": 9.1, "baseSeverity": "Critical", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}]}, "references": {"reference_data": [{"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315", "refsource": "MISC", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:23:29.620Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315"}]}]}, "cveMetadata": {"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "assignerShortName": "talos", "cveId": "CVE-2021-21876", "datePublished": "2021-12-22T18:06:27.000Z", "dateReserved": "2021-01-04T00:00:00.000Z", "dateUpdated": "2024-08-03T18:23:29.620Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*", "matchCriteriaId": "C0160E0B-2A30-4E5C-BC9D-FB059D24BB93", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*", "matchCriteriaId": "18D68E19-E0E6-4102-A973-814686E4EC82", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability."}, {"lang": "es", "value": "Las peticiones HTTP especialmente dise\u00f1adas pueden conllevar a una ejecuci\u00f3n arbitraria de comandos en peticiones PUT. Un atacante puede realizar peticiones HTTP autenticadas para desencadenar esta vulnerabilidad"}], "id": "CVE-2021-21876", "lastModified": "2024-11-21T05:49:09.587", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "talos-cna@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-22T19:15:08.843", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1315"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "talos-cna@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}