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I. Basic Information for CVE-2021-35211
Vulnerability Information

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Vulnerability Title
Serv-U Remote Memory Escape Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SolarWinds Serv-U FTP Server 缓冲区错误漏洞
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 存在缓冲区错误漏洞,该漏洞源于边界错误而存在漏洞。攻击者可利用该漏洞向server - u服务器发送专门设计的请求,触发内存损坏并在目标系统上执行任意代码。
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
SolarWindsServ-U Managed File Transfer Server and Serv-U Secured FTP SolarWinds Serv-U ~ 15.2.3 HF1 -
II. Public POCs for CVE-2021-35211
#POC DescriptionSource LinkShenlong Link
1Simple Serv-U CVE-2021-35211 PoChttps://github.com/NattiSamson/Serv-U-CVE-2021-35211POC Details
2Serv-U-FTP CVE-2021-35211 exploithttps://github.com/0xhaggis/CVE-2021-35211POC Details
3Nonehttps://github.com/BishopFox/CVE-2021-35211POC Details
4SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 contain a remote memory escape caused remote code execution vulnerability, letting attackers gain privileged access, exploit requires remote attacker to send crafted memory operations. https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2021/CVE-2021-35211.yamlPOC Details
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III. Intelligence Information for CVE-2021-35211
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IV. Related Vulnerabilities
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