cnvd - cnvd-2021-45151

CNVD-2021-45151

Vulnerability from cnvd - Published: 2021-06-26

Title

Cisco AnyConnect Secure Mobility Client for Windows拒绝服务漏洞（CNVD-2021-45151）

Description

Cisco AnyConnect Secure Mobility Client是一种虚拟专用网络（VPN）客户端，适用于各种操作系统和硬件配置。 Cisco AnyConnect Secure Mobility Client for Windows 4.10.01075之前版本存在拒绝服务漏洞。该漏洞源于不受控内存分配。攻击者可通过将特制文件复制到系统上的特定文件夹利用该漏洞导致VPN Agent服务崩溃。

Severity

低

Patch Name

Cisco AnyConnect Secure Mobility Client for Windows拒绝服务漏洞（CNVD-2021-45151）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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-dos-hMhyDfb8

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-1568

Impacted products

Name
Cisco Cisco AnyConnect Secure Mobility Client for Windows <4.10.01075

Show details on source website

JSON

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{
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    "cve": {
      "cveNumber": "CVE-2021-1568",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1568"
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  "number": "CNVD-2021-45151",
  "openTime": "2021-06-26",
  "patchDescription": "Cisco AnyConnect Secure Mobility Client\u662f\u4e00\u79cd\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff08VPN\uff09\u5ba2\u6237\u7aef\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u64cd\u4f5c\u7cfb\u7edf\u548c\u786c\u4ef6\u914d\u7f6e\u3002\r\n\r\nCisco AnyConnect Secure Mobility Client for Windows 4.10.01075\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4e0d\u53d7\u63a7\u5185\u5b58\u5206\u914d\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5c06\u7279\u5236\u6587\u4ef6\u590d\u5236\u5230\u7cfb\u7edf\u4e0a\u7684\u7279\u5b9a\u6587\u4ef6\u5939\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4VPN Agent\u670d\u52a1\u5d29\u6e83\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 AnyConnect Secure Mobility Client for Windows\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-45151\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco AnyConnect Secure Mobility Client for Windows \u003c4.10.01075"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-1568",
  "serverity": "\u4f4e",
  "submitTime": "2021-06-17",
  "title": "Cisco AnyConnect Secure Mobility Client for Windows\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-45151\uff09"
}

CVE-2021-1568 (GCVE-0-2021-1568)

Vulnerability from cvelistv5 – Published: 2021-06-16 17:45 – Updated: 2024-11-07 22:08

Summary

A vulnerability in Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. This vulnerability is due to uncontrolled memory allocation. An attacker could exploit this vulnerability by copying a crafted file to a specific folder on the system. A successful exploit could allow the attacker to crash the VPN Agent service when the affected application is launched, causing it to be unavailable to all users of the system. To exploit this vulnerability, the attacker must have valid credentials on a multiuser Windows system.

Severity ?

5.5 (Medium)


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

CWE

CWE-789

Assigner

cisco

References

URL

Tags

https://tools.cisco.com/security/center/content/C…

vendor-advisoryx_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco AnyConnect Secure Mobility Client	Affected: n/a

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-45151

CVE-2021-1568 (GCVE-0-2021-1568)

Tags

Sightings

Nomenclature