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CVE-2021-21974

EPSS 55.04% · P98
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I. Basic Information for CVE-2021-21974

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
威睿 VMware ESXi 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vmware VMware ESXi是美国威睿（Vmware）公司的一套可直接安装在物理服务器上的服务器虚拟化平台。 ESXi 存在安全漏洞，该漏洞源于同一网段的恶意行为者可以访问端口427，导致远程代码执行。以下产品及版本受到影响：7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG。
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
-VMware ESXi 7.0 before ESXi70U1c-17325551 -
-VMware Cloud Foundation 4.x before 4.2 and 3.x -

II. Public POCs for CVE-2021-21974

#POC DescriptionSource LinkShenlong Link
1POC for CVE-2021-21974 VMWare ESXi RCE Exploithttps://github.com/Shadow0ps/CVE-2021-21974POC Details
2Analysis of the ransom demands from Shodan resultshttps://github.com/n2x4/Feb2023-CVE-2021-21974-OSINTPOC Details
3ESXi EZ - A custom scanner that takes list of IPs either in JSON, CSV or individually and checks for infection CVE-2021-21974https://github.com/CYBERTHREATANALYSIS/ESXi_ransomware_scannerPOC Details
4Nmap NSE script for cve-2021-21974https://github.com/hateme021202/cve-2021-21974POC Details
5ESXi EZ - A custom scanner that takes list of IPs either in JSON, CSV or individually and checks for infection CVE-2021-21974https://github.com/CYBERTHREATANALYSIS/ESXi-Ransomware-Scanner-miPOC Details
6Nonehttps://github.com/mercylessghost/CVE-2021-21974POC Details
7CVE-2021-21974 Vulnerability Detection Tool Safe PoC that identifies vulnerable SLP implementations without exploitationhttps://github.com/abirasecurity/CVE-2021-21974_vuln_dectectionPOC Details
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III. Intelligence Information for CVE-2021-21974

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Same Patch Batch · n/a · 2021-02-24 · 10 CVEs total

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CVE-2021-22667Advantech BB-ESWGP506-2SFP-T 信任管理问题漏洞
CVE-2021-21973VMware vCenter Server 代码问题漏洞
CVE-2021-21972VMware vSphere Client 路径遍历漏洞
CVE-2020-11988Apache XmlGraphics Commons 代码问题漏洞

IV. Related Vulnerabilities

Same product: VMware ESXi
Same vendor: n/a

V. Comments for CVE-2021-21974

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