Vulnerability-Lookup

CNVD-2020-14756

Vulnerability from cnvd - Published: 2020-03-01

Title

Cisco FXOS Software输入验证错误漏洞

Description

Cisco FXOS Software是美国思科（Cisco）公司的一套运行在思科安全设备中的防火墙软件。 Cisco FXOS Software中的CLI存在输入验证错误漏洞，该漏洞源于程序未能进行充分输入验证。本地攻击者可借助特制的参数利用该漏洞读取或在底层操作系统上编写任意文件。

Severity

中

Patch Name

Cisco FXOS Software输入验证错误漏洞的补丁

Patch Description

Cisco FXOS Software是美国思科（Cisco）公司的一套运行在思科安全设备中的防火墙软件。 Cisco FXOS Software中的CLI存在输入验证错误漏洞，该漏洞源于程序未能进行充分输入验证。本地攻击者可借助特制的参数利用该漏洞读取或在底层操作系统上编写任意文件。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

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-20200226-fxos-cli-file

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-3166

Impacted products

Name
['Cisco Firepower 4100 Series', 'Cisco Firepower 2100 Series', 'Cisco Firepower 9300 Security Appliances', 'Cisco Firepower 1000 Series']

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-3166"
    }
  },
  "description": "Cisco FXOS Software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957\u8fd0\u884c\u5728\u601d\u79d1\u5b89\u5168\u8bbe\u5907\u4e2d\u7684\u9632\u706b\u5899\u8f6f\u4ef6\u3002\n\nCisco FXOS Software\u4e2d\u7684CLI\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u8fdb\u884c\u5145\u5206\u8f93\u5165\u9a8c\u8bc1\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u53c2\u6570\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u6216\u5728\u5e95\u5c42\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7f16\u5199\u4efb\u610f\u6587\u4ef6\u3002",
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  "number": "CNVD-2020-14756",
  "openTime": "2020-03-01",
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  "products": {
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      "Cisco Firepower 2100 Series",
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    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-3166",
  "serverity": "\u4e2d",
  "submitTime": "2020-02-28",
  "title": "Cisco FXOS Software\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-3166 (GCVE-0-2020-3166)

Vulnerability from cvelistv5 – Published: 2020-02-26 16:51 – Updated: 2024-11-15 17:37

Title

Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability

Summary

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

Severity

4.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-15 16:29 UTC

CWE

CWE-20

Assigner

cisco CNA under the mitre root

CNA scorecard C 66/100 over 434 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 Firepower Extensible Operating System (FXOS)	Affected: unspecified , < n/a (custom)

Date Public

2020-02-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:24:00.654Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "name": "20200226 Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability",
            "tags": [
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              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-fxos-cli-file"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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                "id": "CVE-2020-3166",
                "options": [
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
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                "timestamp": "2024-11-15T16:29:15.961494Z",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
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        {
          "product": "Cisco Firepower Extensible Operating System (FXOS)",
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          "versions": [
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              "status": "affected",
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      "exploits": [
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      "metrics": [
        {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
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      },
      "references": [
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        ],
        "discovery": "INTERNAL"
      },
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      "x_legacyV4Record": {
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        },
        "affects": {
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    "state": "PUBLISHED"
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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.

Vulnerability timeline

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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.

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