Vulnerability-Lookup

CNVD-2021-70106

Vulnerability from cnvd - Published: 2021-09-11

Title

Cisco IOS XR Software命令注入漏洞

Description

Cisco IOS XR Software是一种独特的自治愈和自防御操作系统，它不但支持全天候运营，还能不断扩容和添加新服务或新特性。 Cisco IOS XR Software的CLI存在命令注入漏洞。该漏洞源于程序未对命令参数进行正确验证。攻击者可利用该漏洞访问受影响设备的底层root shell并以root身份执行任意命令。

Severity

中

Patch Name

Cisco IOS XR Software命令注入漏洞的补丁

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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-34722

Impacted products

Name
Cisco IOS XR

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-34722",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-34722"
    }
  },
  "description": "Cisco IOS XR Software\u662f\u4e00\u79cd\u72ec\u7279\u7684\u81ea\u6cbb\u6108\u548c\u81ea\u9632\u5fa1\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u4e0d\u4f46\u652f\u6301\u5168\u5929\u5019\u8fd0\u8425\uff0c\u8fd8\u80fd\u4e0d\u65ad\u6269\u5bb9\u548c\u6dfb\u52a0\u65b0\u670d\u52a1\u6216\u65b0\u7279\u6027\u3002\n\nCisco IOS XR Software\u7684CLI\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u5bf9\u547d\u4ee4\u53c2\u6570\u8fdb\u884c\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u53d7\u5f71\u54cd\u8bbe\u5907\u7684\u5e95\u5c42root shell\u5e76\u4ee5root\u8eab\u4efd\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-70106",
  "openTime": "2021-09-11",
  "patchDescription": "Cisco IOS XR Software\u662f\u4e00\u79cd\u72ec\u7279\u7684\u81ea\u6cbb\u6108\u548c\u81ea\u9632\u5fa1\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u4e0d\u4f46\u652f\u6301\u5168\u5929\u5019\u8fd0\u8425\uff0c\u8fd8\u80fd\u4e0d\u65ad\u6269\u5bb9\u548c\u6dfb\u52a0\u65b0\u670d\u52a1\u6216\u65b0\u7279\u6027\u3002\r\n\r\nCisco IOS XR Software\u7684CLI\u5b58\u5728\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u5bf9\u547d\u4ee4\u53c2\u6570\u8fdb\u884c\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u53d7\u5f71\u54cd\u8bbe\u5907\u7684\u5e95\u5c42root shell\u5e76\u4ee5root\u8eab\u4efd\u6267\u884c\u4efb\u610f\u547d\u4ee4\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\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco IOS XR"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-34722",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-09",
  "title": "Cisco IOS XR Software\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-34722 (GCVE-0-2021-34722)

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

Title

Cisco IOS XR Software Command Injection Vulnerabilities

Summary

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

Severity

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/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 CNA under the mitre root

CNA scorecard C 66/100 over 395 records in the last 180 days details

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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        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:19:48.254Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "name": "20210908 Cisco IOS XR Software Command Injection Vulnerabilities",
            "tags": [
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              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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                "id": "CVE-2021-34722",
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-07T21:43:10.838609Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2024-11-07T22:00:36.407Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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      "metrics": [
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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      "references": [
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          "name": "20210908 Cisco IOS XR Software Command Injection Vulnerabilities",
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      "x_legacyV4Record": {
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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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CNVD-2021-70106

CVE-2021-34722 (GCVE-0-2021-34722)

Tags

Sightings

Nomenclature

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