Vulnerability-Lookup

CNVD-2021-102367

Vulnerability from cnvd - Published: 2021-12-27

Title

Cisco IOS XR Software权限提升漏洞（CNVD-2021-102367）

Description

Cisco IOS XR Software是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR Software存在权限提升漏洞，攻击者可利用该漏洞提升受影响设备的权限。

Severity

中

Patch Name

Cisco IOS XR Software权限提升漏洞（CNVD-2021-102367）的补丁

Patch Description

Cisco IOS XR Software是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR Software存在权限提升漏洞，攻击者可利用该漏洞提升受影响设备的权限。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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-34728

Impacted products

Name
['Cisco IOS XR Software <7.3.2', 'Cisco IOS XR Software <7.4.1']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-34728",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-34728"
    }
  },
  "description": "Cisco IOS XR Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS XR Software\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u53d7\u5f71\u54cd\u8bbe\u5907\u7684\u6743\u9650\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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102367",
  "openTime": "2021-12-27",
  "patchDescription": "Cisco IOS XR Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS XR Software\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u53d7\u5f71\u54cd\u8bbe\u5907\u7684\u6743\u9650\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": "Cisco IOS XR Software\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-102367\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XR Software \u003c7.3.2",
      "Cisco IOS XR Software \u003c7.4.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-34728",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-09",
  "title": "Cisco IOS XR Software\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2021-102367\uff09"
}

CVE-2021-34728 (GCVE-0-2021-34728)

Vulnerability from cvelistv5 – Published: 2021-09-09 05:01 – Updated: 2024-11-07 22:00

Title

Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities

Summary

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-07 21:43 UTC

CWE

CWE-78

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco IOS XR Software	Affected: n/a

Date Public

2021-09-08 00:00

Show details on NVD website

JSON

To clipboard

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        "references": [
          {
            "name": "20210908 Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities",
            "tags": [
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              "x_refsource_CISCO",
              "x_transferred"
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            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf"
          }
        ],
        "title": "CVE Program Container"
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                  },
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                  }
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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.

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CNVD-2021-102367

CVE-2021-34728 (GCVE-0-2021-34728)

Tags

Sightings

Nomenclature

Related by attack behaviour