CVE-2021-28961 - Vulnerability Details - OpenCVE

Description

applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests.

Published: 2021-03-21

Score: 8.8 High

EPSS: 1.5% 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

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*

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-2021-15610	applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

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 0.0153.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc
https://openwrt.org/advisory/2021-08-01-3

History

No history.

Subscriptions

Openwrt Openwrt

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-03-21T05:10:19.000Z

Updated: 2024-08-03T21:55:12.251Z

Reserved: 2021-03-21T00:00:00.000Z

Link: CVE-2021-28961

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-21T06:15:12.357

Modified: 2026-06-17T03:47:05.290

Link: CVE-2021-28961

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-12T14:29:33.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://openwrt.org/advisory/2021-08-01-3"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-28961", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc", "refsource": "MISC", "url": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc"}, {"name": "https://openwrt.org/advisory/2021-08-01-3", "refsource": "CONFIRM", "url": "https://openwrt.org/advisory/2021-08-01-3"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:55:12.251Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://openwrt.org/advisory/2021-08-01-3"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-28961", "datePublished": "2021-03-21T05:10:19.000Z", "dateReserved": "2021-03-21T00:00:00.000Z", "dateUpdated": "2024-08-03T21:55:12.251Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*", "matchCriteriaId": "4FA469E2-9E63-4C9A-8EBA-10C8C870063A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests."}, {"lang": "es", "value": "El archivo applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua en el paquete DDNS para OpenWrt versi\u00f3n 19.07, permite a usuarios autenticados remotos inyectar comandos arbitrarios por medio de peticiones POST"}], "id": "CVE-2021-28961", "lastModified": "2026-06-17T03:47:05.290", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-21T06:15:12.357", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://openwrt.org/advisory/2021-08-01-3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://openwrt.org/advisory/2021-08-01-3"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}