JVNDB-2021-000022
Vulnerability from jvndb - Published: 2021-03-15 06:56 - Updated:2021-12-17 08:51
Severity
Summary
Multiple vulnerabilities in Cybozu Office
Details
Cybozu Office provided by Cybozu, Inc. contains multiple vulnerabilities listed below.
*[CyVDB-1657] Operational restrictions bypass vulnerability in Scheduler (CWE-264) - CVE-2021-20624
*[CyVDB-1727] Operational restrictions bypass vulnerability in Bulletin Board (CWE-264) - CVE-2021-20625
*[CyVDB-1895][CyVDB-2658] Operational restrictions bypass vulnerability in Workflow (CWE-264) - CVE-2021-20626
*[CyVDB-1899] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20627
*[CyVDB-1924] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20628
*[CyVDB-2014] Cross-site scripting vulnerability in E-mail (CWE-79) - CVE-2021-20629
*[CyVDB-2018] Viewing restrictions bypass vulnerability in Phone Messages (CWE-264) - CVE-2021-20630
*[CyVDB-2063] Improper input validation vulnerability in Custom App (CWE-20) - CVE-2021-20631
*[CyVDB-2263] Viewing restrictions bypass vulnerability in Bulletin Board (CWE-264) - CVE-2021-20632
*[CyVDB-2310] Viewing restrictions bypass vulnerability in Cabinet (CWE-264) - CVE-2021-20633
*[CyVDB-2764] Viewing restrictions bypass vulnerability in Custom App (CWE-264) - CVE-2021-20634
*[CyVDB-1900] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20849
CVE-2021-20624, CVE-2021-20625 and CVE-2021-20629
Yuji Tounai reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.
CVE-2021-20627, CVE-2021-20628 and CVE-2021-20849
Kanta Nishitani of Ierae Security Inc. reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.
CVE-2021-20630 and CVE-2021-20631
Shuichi Uruma reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.
CVE-2021-20626, CVE-2021-20632, CVE-2021-20633 and CVE-2021-20634
Cybozu, Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solution through JVN.
References
Impacted products
| Vendor | Product | |
|---|---|---|
{
"@rdf:about": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000022.html",
"dc:date": "2021-12-17T17:51+09:00",
"dcterms:issued": "2021-03-15T15:56+09:00",
"dcterms:modified": "2021-12-17T17:51+09:00",
"description": "Cybozu Office provided by Cybozu, Inc. contains multiple vulnerabilities listed below.\r\n\r\n*[CyVDB-1657] Operational restrictions bypass vulnerability in Scheduler (CWE-264) - CVE-2021-20624\r\n*[CyVDB-1727] Operational restrictions bypass vulnerability in Bulletin Board (CWE-264) - CVE-2021-20625\r\n*[CyVDB-1895][CyVDB-2658] Operational restrictions bypass vulnerability in Workflow (CWE-264) - CVE-2021-20626\r\n*[CyVDB-1899] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20627\r\n*[CyVDB-1924] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20628\r\n*[CyVDB-2014] Cross-site scripting vulnerability in E-mail (CWE-79) - CVE-2021-20629\r\n*[CyVDB-2018] Viewing restrictions bypass vulnerability in Phone Messages (CWE-264) - CVE-2021-20630\r\n*[CyVDB-2063] Improper input validation vulnerability in Custom App (CWE-20) - CVE-2021-20631\r\n*[CyVDB-2263] Viewing restrictions bypass vulnerability in Bulletin Board (CWE-264) - CVE-2021-20632\r\n*[CyVDB-2310] Viewing restrictions bypass vulnerability in Cabinet (CWE-264) - CVE-2021-20633\r\n*[CyVDB-2764] Viewing restrictions bypass vulnerability in Custom App (CWE-264) - CVE-2021-20634\r\n*[CyVDB-1900] Cross-site scripting vulnerability in Address Book (CWE-79) - CVE-2021-20849\r\n\r\nCVE-2021-20624, CVE-2021-20625 and CVE-2021-20629\r\nYuji Tounai reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.\r\n\r\nCVE-2021-20627, CVE-2021-20628 and CVE-2021-20849\r\nKanta Nishitani of Ierae Security Inc. reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.\r\n\r\nCVE-2021-20630 and CVE-2021-20631\r\nShuichi Uruma reported these vulnerabilities to Cybozu, Inc. and Cybozu, Inc. reported them to JPCERT/CC to notify users of the solutions through JVN.\r\n\r\nCVE-2021-20626, CVE-2021-20632, CVE-2021-20633 and CVE-2021-20634\r\nCybozu, Inc. reported these vulnerabilities to JPCERT/CC to notify users of the solution through JVN.",
"link": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000022.html",
"sec:cpe": {
"#text": "cpe:/a:cybozu:office",
"@product": "Cybozu Office",
"@vendor": "Cybozu, Inc.",
"@version": "2.2"
},
"sec:cvss": [
{
"@score": "4.0",
"@severity": "Medium",
"@type": "Base",
"@vector": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"@version": "2.0"
},
{
"@score": "4.3",
"@severity": "Medium",
"@type": "Base",
"@vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"@version": "3.0"
}
],
"sec:identifier": "JVNDB-2021-000022",
"sec:references": [
{
"#text": "https://jvn.jp/en/jp/JVN45797538/index.html",
"@id": "JVN#45797538",
"@source": "JVN"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20624",
"@id": "CVE-2021-20624",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20625",
"@id": "CVE-2021-20625",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20626",
"@id": "CVE-2021-20626",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20627",
"@id": "CVE-2021-20627",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20628",
"@id": "CVE-2021-20628",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20629",
"@id": "CVE-2021-20629",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20630",
"@id": "CVE-2021-20630",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20631",
"@id": "CVE-2021-20631",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20632",
"@id": "CVE-2021-20632",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20633",
"@id": "CVE-2021-20633",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20634",
"@id": "CVE-2021-20634",
"@source": "CVE"
},
{
"#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20849",
"@id": "CVE-2021-20849",
"@source": "CVE"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20624",
"@id": "CVE-2021-20624",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20625",
"@id": "CVE-2021-20625",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20626",
"@id": "CVE-2021-20626",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20627",
"@id": "CVE-2021-20627",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20628",
"@id": "CVE-2021-20628",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20629",
"@id": "CVE-2021-20629",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20630",
"@id": "CVE-2021-20630",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20631",
"@id": "CVE-2021-20631",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20632",
"@id": "CVE-2021-20632",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20633",
"@id": "CVE-2021-20633",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20634",
"@id": "CVE-2021-20634",
"@source": "NVD"
},
{
"#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20849",
"@id": "CVE-2021-20849",
"@source": "NVD"
},
{
"#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
"@id": "CWE-20",
"@title": "Improper Input Validation(CWE-20)"
},
{
"#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
"@id": "CWE-264",
"@title": "Permissions(CWE-264)"
},
{
"#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
"@id": "CWE-79",
"@title": "Cross-site Scripting(CWE-79)"
}
],
"title": "Multiple vulnerabilities in Cybozu Office"
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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