Vulnerability-Lookup

CNVD-2021-30493

Vulnerability from cnvd - Published: 2021-04-23

Title

IBM WebSphere Application Server外部实体注入漏洞

Description

IBM WebSphere Application Server（WAS）是美国IBM公司的一款应用服务器产品。该产品是JavaEE和Web服务应用程序的平台，也是IBMWebSphere软件平台的基础。 IBM WebSphere Application Server存在安全漏洞，攻击者可利用该漏洞可以利用此漏洞暴露敏感信息或消耗内存资源。

Severity

高

Patch Name

IBM WebSphere Application Server外部实体注入漏洞的补丁

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://www.ibm.com/support/pages/node/6445171

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20453

Impacted products

Name
IBM WebSphere Application Server

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2021-20453"
    }
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  "description": "IBM WebSphere Application Server\uff08WAS\uff09\u662f\u7f8e\u56fdIBM\u516c\u53f8\u7684\u4e00\u6b3e\u5e94\u7528\u670d\u52a1\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u662fJavaEE\u548cWeb\u670d\u52a1\u5e94\u7528\u7a0b\u5e8f\u7684\u5e73\u53f0\uff0c\u4e5f\u662fIBMWebSphere\u8f6f\u4ef6\u5e73\u53f0\u7684\u57fa\u7840\u3002\n\nIBM WebSphere Application Server\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u66b4\u9732\u654f\u611f\u4fe1\u606f\u6216\u6d88\u8017\u5185\u5b58\u8d44\u6e90\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-30493",
  "openTime": "2021-04-23",
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  "products": {
    "product": "IBM WebSphere Application Server"
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20453",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-23",
  "title": "IBM WebSphere Application Server\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-20453 (GCVE-0-2021-20453)

Vulnerability from cvelistv5 – Published: 2021-04-20 11:35 – Updated: 2024-09-17 02:17

Summary

IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648.

Severity

8.2 (High)


                        
                          CVSS:3.0/S:U/PR:N/UI:N/AC:L/I:N/C:H/A:L/AV:N/RC:C/RL:O/E:U

CWE

Obtain Information

Assigner

ibm mitre root

References

2 references

URL	Tags
https://www.ibm.com/support/pages/node/6445171	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

1 product

Vendor	Product	Version
IBM	WebSphere Application Server	Affected: 8.0 Affected: 8.5 Affected: 9.0

Date Public

2021-04-19 00:00

Show details on NVD website

JSON

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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

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