CVE-2021-20770 - Vulnerability Details - OpenCVE

Description

Cross-site scripting vulnerability in Message of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Published: 2021-08-18

Score: 5.4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

Cybozu, Inc.

Cybozu Garoon

affected

Version	Status	Constraints
`4.6.0 to 5.0.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-8182	Cross-site scripting vulnerability in Message of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00605.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://cs.cybozu.co.jp/2021/007206.html
https://jvn.jp/en/jp/JVN54794245/index.html

History

No history.

Subscriptions

Cybozu Garoon

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2021-08-18T05:36:16.000Z

Updated: 2024-08-03T17:53:22.066Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20770

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-08-18T06:15:07.267

Modified: 2026-06-17T03:34:25.320

Link: CVE-2021-20770

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"containers": {"cna": {"affected": [{"product": "Cybozu Garoon", "vendor": "Cybozu, Inc.", "versions": [{"status": "affected", "version": "4.6.0 to 5.0.2"}]}], "descriptions": [{"lang": "en", "value": "Cross-site scripting vulnerability in Message of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "Cross-site scripting", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-18T05:36:16.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://cs.cybozu.co.jp/2021/007206.html"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN54794245/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20770", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Cybozu Garoon", "version": {"version_data": [{"version_value": "4.6.0 to 5.0.2"}]}}]}, "vendor_name": "Cybozu, Inc."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cross-site scripting vulnerability in Message of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cross-site scripting"}]}]}, "references": {"reference_data": [{"name": "https://cs.cybozu.co.jp/2021/007206.html", "refsource": "MISC", "url": "https://cs.cybozu.co.jp/2021/007206.html"}, {"name": "https://jvn.jp/en/jp/JVN54794245/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN54794245/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:22.066Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://cs.cybozu.co.jp/2021/007206.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN54794245/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20770", "datePublished": "2021-08-18T05:36:16.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:22.066Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Cybozu Garoon", "vendor": "Cybozu, Inc.", "versions": [{"status": "affected", "version": "4.6.0 to 5.0.2"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*", "matchCriteriaId": "32CA25F7-E8B5-47B0-8C38-0132843CA071", "versionEndIncluding": "5.0.2", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-site scripting vulnerability in Message of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de tipo cross-site scripting en Message de Cybozu Garoon versiones 4.6.0 hasta 5.0.2, permite a un atacante autenticado remoto inyectar un script arbitrario por medio de vectores no especificados."}], "id": "CVE-2021-20770", "lastModified": "2026-06-17T03:34:25.320", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-18T06:15:07.267", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://cs.cybozu.co.jp/2021/007206.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN54794245/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cs.cybozu.co.jp/2021/007206.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN54794245/index.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}