Vulnerability-Lookup

CNVD-2021-14761

Vulnerability from cnvd - Published: 2021-03-06

Title

IBM Security Verify Bridge信息泄露漏洞

Description

IBM Security Verify Bridge是美国国际商业机器（IBM）公司的一个IBM应用组件。提供为IBM云提供对用户属性和身份验证的IBM云访问，这些属性和身份验证由客户的本地LDAP或Active Directory控制。 IBM Security Verify Bridge存在安全漏洞，该漏洞源于使用比预期弱的加密算法，攻击者可利用该漏洞解密高度敏感的信息。

Severity

中

Patch Name

IBM Security Verify Bridge信息泄露漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.ibm.com/support/pages/node/6421023

Reference

https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-verify-bridge-uses-relatively-weak-cryptographic-algorithms-in-two-of-its-functions-cve-2021-20441/

Impacted products

Name
IBM IBM Security Verify Bridge

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20441",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20441"
    }
  },
  "description": "IBM Security Verify Bridge\u662f\u7f8e\u56fd\u56fd\u9645\u5546\u4e1a\u673a\u5668\uff08IBM\uff09\u516c\u53f8\u7684\u4e00\u4e2aIBM\u5e94\u7528\u7ec4\u4ef6\u3002\u63d0\u4f9b\u4e3aIBM\u4e91\u63d0\u4f9b\u5bf9\u7528\u6237\u5c5e\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u7684IBM\u4e91\u8bbf\u95ee\uff0c\u8fd9\u4e9b\u5c5e\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u7531\u5ba2\u6237\u7684\u672c\u5730LDAP\u6216Active Directory\u63a7\u5236\u3002\n\nIBM Security Verify Bridge\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4f7f\u7528\u6bd4\u9884\u671f\u5f31\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e3\u5bc6\u9ad8\u5ea6\u654f\u611f\u7684\u4fe1\u606f\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://www.ibm.com/support/pages/node/6421023",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-14761",
  "openTime": "2021-03-06",
  "patchDescription": "IBM Security Verify Bridge\u662f\u7f8e\u56fd\u56fd\u9645\u5546\u4e1a\u673a\u5668\uff08IBM\uff09\u516c\u53f8\u7684\u4e00\u4e2aIBM\u5e94\u7528\u7ec4\u4ef6\u3002\u63d0\u4f9b\u4e3aIBM\u4e91\u63d0\u4f9b\u5bf9\u7528\u6237\u5c5e\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u7684IBM\u4e91\u8bbf\u95ee\uff0c\u8fd9\u4e9b\u5c5e\u6027\u548c\u8eab\u4efd\u9a8c\u8bc1\u7531\u5ba2\u6237\u7684\u672c\u5730LDAP\u6216Active Directory\u63a7\u5236\u3002\r\n\r\nIBM Security Verify Bridge\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4f7f\u7528\u6bd4\u9884\u671f\u5f31\u7684\u52a0\u5bc6\u7b97\u6cd5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e3\u5bc6\u9ad8\u5ea6\u654f\u611f\u7684\u4fe1\u606f\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": "IBM Security Verify Bridge\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "IBM IBM Security Verify Bridge"
  },
  "referenceLink": "https://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-verify-bridge-uses-relatively-weak-cryptographic-algorithms-in-two-of-its-functions-cve-2021-20441/",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-04",
  "title": "IBM Security Verify Bridge\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2021-20441 (GCVE-0-2021-20441)

Vulnerability from cvelistv5 – Published: 2021-03-03 17:00 – Updated: 2024-09-16 18:39

Summary

IBM Security Verify Bridge uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196617.

Severity

5.9 (Medium)


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

CWE

Obtain Information

Assigner

ibm mitre root Scorecard

References

2 references

URL	Tags
https://www.ibm.com/support/pages/node/6421023	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Impacted products

1 product

Vendor	Product	Version
IBM	Security Verify Bridge	Affected: unspecified

Date Public

2021-03-02 00:00

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-03T17:37:24.200Z",
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            "url": "https://www.ibm.com/support/pages/node/6421023"
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            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196617"
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        ],
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      "metrics": [
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.2,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
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          "STATE": "PUBLIC"
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              "AC": "H",
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              "UI": "N"
            },
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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.

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.

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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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CNVD-2021-14761

CVE-2021-20441 (GCVE-0-2021-20441)

Tags

Sightings

Nomenclature

Related by attack behaviour