Vulnerability-Lookup

CNVD-2021-15778

Vulnerability from cnvd - Published: 2021-03-09

Title

Cisco SD-WAN vEdge Router VPN拒绝服务漏洞

Description

Cisco SD-WAN vEdge是美国思科（Cisco）公司的是一款路由器。该设备可为思科SD-WAN解决方案提供基本WAN，安全性和多云功能。 Cisco SD-WAN vEdge Router的VPN隧道功能存在拒绝服务漏洞，该漏洞源于程序未对格式畸形的数据包进行正确处理，未经身份认证的远程攻击者可通过向受影响设备发送特制的数据包利用该漏洞造成设备重新启动，导致拒绝服务。

Severity

中

Patch Name

Cisco SD-WAN vEdge Router VPN拒绝服务漏洞的补丁

Patch Description

Formal description

厂商已提供漏洞修补方案，请关注厂商主页及时更新： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-1241

Impacted products

Name
Cisco SD-WAN vEdge Routers null

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1241",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1241"
    }
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  "description": "Cisco SD-WAN vEdge\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u662f\u4e00\u6b3e\u8def\u7531\u5668\u3002\u8be5\u8bbe\u5907\u53ef\u4e3a\u601d\u79d1SD-WAN\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\u57fa\u672cWAN\uff0c\u5b89\u5168\u6027\u548c\u591a\u4e91\u529f\u80fd\u3002\n\nCisco SD-WAN vEdge Router\u7684VPN\u96a7\u9053\u529f\u80fd\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u5bf9\u683c\u5f0f\u7578\u5f62\u7684\u6570\u636e\u5305\u8fdb\u884c\u6b63\u786e\u5904\u7406\uff0c\u672a\u7ecf\u8eab\u4efd\u8ba4\u8bc1\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u53d7\u5f71\u54cd\u8bbe\u5907\u53d1\u9001\u7279\u5236\u7684\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
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  "number": "CNVD-2021-15778",
  "openTime": "2021-03-09",
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  "patchName": "Cisco SD-WAN vEdge Router VPN\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco SD-WAN vEdge Routers null"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-1241",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-22",
  "title": "Cisco SD-WAN vEdge Router VPN\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-1241 (GCVE-0-2021-1241)

Vulnerability from cvelistv5 – Published: 2021-01-20 20:10 – Updated: 2024-11-12 20:20

Title

Cisco SD-WAN Denial of Service Vulnerabilities

Summary

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Severity

8.6 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-08 20:04 UTC

CWE

CWE-119

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 SD-WAN Solution	Affected: n/a

Date Public

2021-01-20 00:00

Show details on NVD website

JSON

To clipboard

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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

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.