Vulnerability-Lookup

CNVD-2021-53940

Vulnerability from cnvd - Published: 2021-07-23

Title

Joomla!代码问题漏洞（CNVD-2021-53940）

Description

Joomla!是一套使用在Joomla!内容管理系统中的论坛组件。 Joomla!在2.5.0至3.9.27版本中存在代码问题漏洞，远程的未经身份验证的攻击者可利用该漏洞获得或猜测会话令牌，并获得对属于另一个用户的会话的未经授权的访问。

Severity

中

Patch Name

Joomla!代码问题漏洞（CNVD-2021-53940）的补丁

Patch Description

Joomla!是一套使用在Joomla!内容管理系统中的论坛组件。 Joomla!在2.5.0至3.9.27版本中存在代码问题漏洞，远程的未经身份验证的攻击者可利用该漏洞获得或猜测会话令牌，并获得对属于另一个用户的会话的未经授权的访问。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://developer.joomla.org/security-centre/858-20210703-core-lack-of-enforced-session-termination.html

Reference

https://www.cybersecurity-help.cz/vdb/SB2021070701

Impacted products

Name
Joomla! Joomla! >=2.5.0，<=3.9.27

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26037",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26037"
    }
  },
  "description": "Joomla!\u662f\u4e00\u5957\u4f7f\u7528\u5728Joomla!\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u8bba\u575b\u7ec4\u4ef6\u3002\n\nJoomla!\u57282.5.0\u81f33.9.27\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u7684\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u6216\u731c\u6d4b\u4f1a\u8bdd\u4ee4\u724c\uff0c\u5e76\u83b7\u5f97\u5bf9\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u7528\u6237\u7684\u4f1a\u8bdd\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://developer.joomla.org/security-centre/858-20210703-core-lack-of-enforced-session-termination.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-53940",
  "openTime": "2021-07-23",
  "patchDescription": "Joomla!\u662f\u4e00\u5957\u4f7f\u7528\u5728Joomla!\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u8bba\u575b\u7ec4\u4ef6\u3002\r\n\r\nJoomla!\u57282.5.0\u81f33.9.27\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u7684\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u5f97\u6216\u731c\u6d4b\u4f1a\u8bdd\u4ee4\u724c\uff0c\u5e76\u83b7\u5f97\u5bf9\u5c5e\u4e8e\u53e6\u4e00\u4e2a\u7528\u6237\u7684\u4f1a\u8bdd\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\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": "Joomla!\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-53940\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Joomla! Joomla!  \u003e=2.5.0\uff0c\u003c=3.9.27"
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2021070701",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-07",
  "title": "Joomla!\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-53940\uff09"
}

CVE-2021-26037 (GCVE-0-2021-26037)

Vulnerability from cvelistv5 – Published: 2021-07-07 10:12 – Updated: 2026-02-25 05:05

Title

[20210703] - Core - Lack of enforced session termination

Summary

An issue was discovered in Joomla! 2.5.0 through 3.9.27. CMS functions did not properly termine existing user sessions when a user's password was changed or the user was blocked.

Severity

No CVSS data available.

CWE

CSRF

Assigner

Joomla mitre root

References

1 reference

URL	Tags
https://developer.joomla.org/security-centre/858-…	x_refsource_MISCvendor-advisory

Impacted products

1 product

Vendor	Product	Version
Joomla! Project	Joomla! CMS	Affected: 2.5.0-3.9.27

Date Public

2021-07-06 00:00

Show details on NVD website

JSON

To clipboard

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        "references": [
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              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://developer.joomla.org/security-centre/858-20210703-core-lack-of-enforced-session-termination.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Joomla! CMS",
          "vendor": "Joomla! Project",
          "versions": [
            {
              "status": "affected",
              "version": "2.5.0-3.9.27"
            }
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      ],
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      "providerMetadata": {
        "dateUpdated": "2026-02-25T05:05:25.893Z",
        "orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
        "shortName": "Joomla"
      },
      "references": [
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          "tags": [
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            "vendor-advisory"
          ],
          "url": "https://developer.joomla.org/security-centre/858-20210703-core-lack-of-enforced-session-termination.html"
        }
      ],
      "title": "[20210703] - Core - Lack of enforced session termination",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_legacyV4Record": {
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          "ASSIGNER": "security@joomla.org",
          "DATE_PUBLIC": "2021-07-06T16:00:00",
          "ID": "CVE-2021-26037",
          "STATE": "PUBLIC",
          "TITLE": "[20210703] - Core - Lack of enforced session termination"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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                    {
                      "product_name": "Joomla! CMS",
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                  "value": "CSRF"
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        "references": {
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  "cveMetadata": {
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}

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.