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I. Basic Information for CVE-2021-34739
Vulnerability Information

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Vulnerability Title
Cisco Small Business Series Switches Session Credentials Replay Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web-based management interface of multiple Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to replay valid user session credentials and gain unauthorized access to the web-based management interface of an affected device. This vulnerability is due to insufficient expiration of session credentials. An attacker could exploit this vulnerability by conducting a man-in-the-middle attack against an affected device to intercept valid session credentials and then replaying the intercepted credentials toward the same device at a later time. A successful exploit could allow the attacker to access the web-based management interface with administrator privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的会话过期机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Small Business 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Small Business是美国思科(Cisco)公司的一个交换机。 Cisco Small Business 存在代码问题漏洞,该漏洞是由于思科交换机的会话据证验证机制导致。攻击者可利用该漏洞重放有效的用户会话凭据,在未经授权的情况下登录web管理界面。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CiscoCisco Small Business Smart and Managed Switches n/a -
II. Public POCs for CVE-2021-34739
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III. Intelligence Information for CVE-2021-34739
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IV. Related Vulnerabilities
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