Vulnerability-Lookup

CNVD-2021-18026

Vulnerability from cnvd - Published: 2021-03-16

Title

Adobe Connect跨站脚本漏洞（CNVD-2021-18026）

Description

Adobe Connect是一款在线视频会议软件。 Adobe Connect 11.0.5及更早版本存在反射型跨站脚本漏洞。攻击者可利用该漏洞在浏览器中执行任意JavaScript。

Severity

中

Patch Name

Adobe Connect跨站脚本漏洞（CNVD-2021-18026）的补丁

Patch Description

Adobe Connect是一款在线视频会议软件。 Adobe Connect 11.0.5及更早版本存在反射型跨站脚本漏洞。攻击者可利用该漏洞在浏览器中执行任意JavaScript。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新：https://helpx.adobe.com/security/products/connect/apsb21-19.html

Reference

https://www.auscert.org.au/bulletins/ESB-2021.0857

Impacted products

Name
Adobe Adobe Connect <=11.0.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21080",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21080"
    }
  },
  "description": "Adobe Connect\u662f\u4e00\u6b3e\u5728\u7ebf\u89c6\u9891\u4f1a\u8bae\u8f6f\u4ef6\u3002\n\nAdobe Connect 11.0.5\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u53cd\u5c04\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u4efb\u610fJavaScript\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://helpx.adobe.com/security/products/connect/apsb21-19.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-18026",
  "openTime": "2021-03-16",
  "patchDescription": "Adobe Connect\u662f\u4e00\u6b3e\u5728\u7ebf\u89c6\u9891\u4f1a\u8bae\u8f6f\u4ef6\u3002\r\n\r\nAdobe Connect 11.0.5\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u53cd\u5c04\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u4efb\u610fJavaScript\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Adobe Connect\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-18026\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Adobe Adobe Connect \u003c=11.0.5"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.0857",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-10",
  "title": "Adobe Connect\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-18026\uff09"
}

CVE-2021-21080 (GCVE-0-2021-21080)

Vulnerability from cvelistv5 – Published: 2021-03-12 18:12 – Updated: 2025-04-23 19:43

Title

Adobe Connect Reflected Cross-site Scripting via query parameter

Summary

Adobe Connect version 11.0.7 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious JavaScript content that may be executed within the context of the victim's browser when they browse to the page containing the vulnerable field.

Severity

6.1 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:13 UTC

CWE

CWE-79 - Cross-site Scripting (Reflected XSS) (CWE-79)

Assigner

adobe mitre root

References

1 reference

URL	Tags
https://helpx.adobe.com/security/products/connect…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Adobe	Connect	Affected: unspecified , ≤ 11.0.7 (custom) Affected: unspecified , ≤ None (custom)

Date Public

2021-03-09 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:01:13.240Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://helpx.adobe.com/security/products/connect/apsb21-19.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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              "content": {
                "id": "CVE-2021-21080",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:13:36.298855Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T19:43:35.210Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Connect",
          "vendor": "Adobe",
          "versions": [
            {
              "lessThanOrEqual": "11.0.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
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              "status": "affected",
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            }
          ]
        }
      ],
      "datePublic": "2021-03-09T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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            "version": "3.0"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-12T18:12:59.000Z",
        "orgId": "078d4453-3bcd-4900-85e6-15281da43538",
        "shortName": "adobe"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://helpx.adobe.com/security/products/connect/apsb21-19.html"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Adobe Connect Reflected Cross-site Scripting via query parameter",
      "x_legacyV4Record": {
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          "STATE": "PUBLIC",
          "TITLE": "Adobe Connect Reflected Cross-site Scripting via query parameter"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
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                    {
                      "product_name": "Connect",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "11.0.7"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "None"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_value": "None"
                          },
                          {
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                "vendor_name": "Adobe"
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            }
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        },
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              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://helpx.adobe.com/security/products/connect/apsb21-19.html",
              "refsource": "MISC",
              "url": "https://helpx.adobe.com/security/products/connect/apsb21-19.html"
            }
          ]
        },
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        }
      }
    }
  },
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    "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
    "assignerShortName": "adobe",
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    "datePublished": "2021-03-12T18:12:59.451Z",
    "dateReserved": "2020-12-18T00:00:00.000Z",
    "dateUpdated": "2025-04-23T19:43:35.210Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.

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.