CVE-2021-21972

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 99,9%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada vmware cloud foundation, vmware vcenter server. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).

Rincian

Terbit di NVD

24 Februari 2021

Terakhir diubah

12 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

99,9% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

VMware vCenter Server Remote Code Execution Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

17 November 2021 (untuk instansi federal AS)

Ransomware

Tercatat dipakai dalam kampanye ransomware

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.vmware.com/security/advisories/VMSA-2021-0002.html advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21972 pemerintah AS
• http://packetstormsecurity.com/files/161590/VMware-vCenter-Server-7.0-Arbitrary-File-Upload.html exploit · advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/161695/VMware-vCenter-Server-File-Upload-Remote-Code-Execution.html exploit · advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/163268/VMware-vCenter-6.5-6.7-7.0-Remote-Code-Execution.html exploit · advisory pihak ketiga · vdb entry