CVE-2021-1592: cisco unified computing system

csirt@kutim:~/threat-intel/cve/CVE-2021-1592

CVSS 4.3 · Medium EPSS 1,0%

Kerentanan Improper Control of a Resource Through its Lifetime pada cisco unified computing system. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the way Cisco UCS Manager software handles SSH sessions could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management for established SSH sessions. An attacker could exploit this vulnerability by opening a significant number of SSH sessions on an affected device. A successful exploit could allow the attacker to cause a crash and restart of internal Cisco UCS Manager software processes and a temporary loss of access to the Cisco UCS Manager CLI and web UI. Note: The attacker must have valid user credentials to authenticate to the affected device.

Rincian

Terbit di NVD: 25 Agustus 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-664: Improper Control of a Resource Through its Lifetime
CWE-770: Allocation of Resources Without Limits or Throttling
EPSS (30 hari): 1,0% peluang dieksploitasi; lebih tinggi dari 62,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cisco	unified computing system	Versi 4.0 hingga sebelum 4.0\(4m\)
cisco	unified computing system	Versi 4.1 hingga sebelum 4.1\(3e\)

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-ssh-dos-MgvmyrQy patch · advisory vendor

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.