CVE-2026-20124

Katalog CVE

CVSS 7.7 · High EPSS 0,50%

Kerentanan Missing Release of Resource after Effective Lifetime pada cisco ios xe. Skor CVSS 3.1 7.7 (High) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to improper error handling when parsing SNMP requests. This vulnerability affects all versions of SNMP — Versions 1, 2c, and 3. An attacker could exploit this vulnerability by sending a malformed SNMP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly. The attacker must have the SNMPv1 or v2c read-only or read-write community string or valid SNMPv3 user credentials on the affected device.

Rincian

Terbit di NVD

5 Agustus 2026

Terakhir diubah

17 September 2026

Status NVD

Analyzed

CVSS 3.1

7.7 (High), sumber cisco.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-772: Missing Release of Resource after Effective Lifetime

EPSS (30 hari)

0,50% peluang dieksploitasi; lebih tinggi dari 41,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 277 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD mitigasi · advisory vendor