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CVE-2023-35179— 2FA/MFA Bypass Vulnerability in Serv-U 15.4

Quick assessment

Affected
SolarWinds Serv-U
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolarWinds Serv-U FTP Server是美国SolarWinds公司的一套FTP和MFT文件传输软件。 SolarWinds Serv-U FTP Server 15.4版本存在访问控制错误漏洞，攻击者利用该漏洞可以绕过multi-factor/two-factor 身份验证。

CVSS 7.2 · High EPSS 1.06% · P63

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2023-35179

Vulnerability Information
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Vulnerability Title
2FA/MFA Bypass Vulnerability in Serv-U 15.4
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified within Serv-U 15.4 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication. The actor must have administrator-level access to Serv-U to perform this action. 
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SolarWinds Serv-U FTP Server 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds Serv-U FTP Server是美国SolarWinds公司的一套FTP和MFT文件传输软件。 SolarWinds Serv-U FTP Server 15.4版本存在访问控制错误漏洞，攻击者利用该漏洞可以绕过multi-factor/two-factor 身份验证。
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

Vendor Product Affected Versions CPE Subscribe
SolarWinds Serv-U 15.4 -

II. Public POCs for CVE-2023-35179

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III. Intelligence Information for CVE-2023-35179

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Other References for CVE-2023-35179 (2)

IV. Related Vulnerabilities

Same vendor: SolarWinds
Same weakness: CWE-284

V. Comments for CVE-2023-35179

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