Vulnerability-Lookup

CNVD-2021-36224

Vulnerability from cnvd - Published: 2021-05-21

Title

Vaadin vaadin-server资源管理错误漏洞

Description

vaadin-server是Vaadin开源的一个应用软件。一个用于在Java后端上快速开发Web应用程序的平台。 vaadin：vaadin-server versions 7.0.0 through 7.7.21 中的EmailValidator class存在资源管理错误漏洞，攻击者可利用该漏洞通过提交恶意电子邮件地址来导致资源消耗。

Severity

中

Patch Name

Vaadin vaadin-server资源管理错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://vaadin.com/security/cve-2020-36320

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-36320

Impacted products

Name
Vaadin vaadin-server >=7.0.0，<=7.7.21

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2020-36320"
    }
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  "description": "vaadin-server\u662fVaadin\u5f00\u6e90\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u4e00\u4e2a\u7528\u4e8e\u5728Java\u540e\u7aef\u4e0a\u5feb\u901f\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u7684\u5e73\u53f0\u3002\n\nvaadin\uff1avaadin-server versions 7.0.0 through 7.7.21 \u4e2d\u7684EmailValidator class\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u63d0\u4ea4\u6076\u610f\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u6765\u5bfc\u81f4\u8d44\u6e90\u6d88\u8017\u3002",
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  "number": "CNVD-2021-36224",
  "openTime": "2021-05-21",
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  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36320",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-27",
  "title": "Vaadin vaadin-server\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-36320 (GCVE-0-2020-36320)

Vulnerability from cvelistv5 – Published: 2021-04-23 16:05 – Updated: 2024-09-16 16:58

Title

Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7

Summary

Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

Vaadin mitre root

References

3 references

URL	Tags
https://vaadin.com/security/cve-2020-36320	x_refsource_MISC
https://github.com/vaadin/framework/issues/7757	x_refsource_MISC
https://github.com/vaadin/framework/pull/12104	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Vaadin	Vaadin	Affected: 7.0.0 , < * (custom)
Vaadin	vaadin-server	Affected: 7.0.0 , < * (custom)

Date Public

2020-10-08 00:00

Show details on NVD website

JSON

To clipboard

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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.