cnvd - cnvd-2021-37774

cnvd-2021-37774

Vulnerability from cnvd

Title: Cisco AnyConnect Secure Mobility Client for Windows DLL劫持漏洞（CNVD-2021-37774）

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存在DLL劫持漏洞。该漏洞源于该应用程序从用户可写目录加载DLL文件。攻击者可通过将恶意DLL文件复制到特定目录利用该漏洞以SYSTEM权限在受影响的设备上执行任意代码。

Severity: 高

Patch Name: Cisco AnyConnect Secure Mobility Client for Windows DLL劫持漏洞（CNVD-2021-37774）的补丁

Patch 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存在DLL劫持漏洞。该漏洞源于该应用程序从用户可写目录加载DLL文件。攻击者可通过将恶意DLL文件复制到特定目录利用该漏洞以SYSTEM权限在受影响的设备上执行任意代码。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-anyconnect-code-exec-jR3tWTA6

Reference: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-code-exec-jR3tWTA6

Impacted products

Name
Cisco AnyConnect Secure Mobility Client for Windows <4.9.06037

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1427",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1427"
    }
  },
  "description": "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\n\nCisco AnyConnect Secure Mobility Client for Windows\u5b58\u5728DLL\u52ab\u6301\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8be5\u5e94\u7528\u7a0b\u5e8f\u4ece\u7528\u6237\u53ef\u5199\u76ee\u5f55\u52a0\u8f7dDLL\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5c06\u6076\u610fDLL\u6587\u4ef6\u590d\u5236\u5230\u7279\u5b9a\u76ee\u5f55\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5SYSTEM\u6743\u9650\u5728\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\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-anyconnect-code-exec-jR3tWTA6",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-37774",
  "openTime": "2021-05-25",
  "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\u5b58\u5728DLL\u52ab\u6301\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8be5\u5e94\u7528\u7a0b\u5e8f\u4ece\u7528\u6237\u53ef\u5199\u76ee\u5f55\u52a0\u8f7dDLL\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5c06\u6076\u610fDLL\u6587\u4ef6\u590d\u5236\u5230\u7279\u5b9a\u76ee\u5f55\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5SYSTEM\u6743\u9650\u5728\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\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 DLL\u52ab\u6301\u6f0f\u6d1e\uff08CNVD-2021-37774\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco AnyConnect Secure Mobility Client for Windows \u003c4.9.06037"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-code-exec-jR3tWTA6",
  "serverity": "\u9ad8",
  "submitTime": "2021-05-06",
  "title": "Cisco AnyConnect Secure Mobility Client for Windows DLL\u52ab\u6301\u6f0f\u6d1e\uff08CNVD-2021-37774\uff09"
}

CVE-2021-1427 (GCVE-0-2021-1427)

Vulnerability from cvelistv5

Published

2021-05-06 12:42

Modified

2024-11-08 23:18

Severity ?

7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-378

Summary

Multiple vulnerabilities in the install, uninstall, and upgrade processes of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to hijack DLL or executable files that are used by the application. A successful exploit could allow the attacker to execute arbitrary code on an affected device with SYSTEM privileges. To exploit these vulnerabilities, the attacker must have valid credentials on the Windows system. For more information about these vulnerabilities, see the Details section of this advisory.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-code-exec-jR3tWTA6	vendor-advisory, x_refsource_CISCO

Impacted products

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

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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