CVE-2025-20352

Katalog CVE

CVSS 7.7 · High KEV · sudah dieksploitasi EPSS 39,4%

Kerentanan Stack-based Buffer Overflow pada cisco ios xe sd-wan, cisco ios xe. Skor CVSS 3.1 7.7 (High) menurut cisco.com. Masuk katalog KEV CISA pada 29 September 2025, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow the following: An authenticated, remote attacker with low privileges could cause a denial of service (DoS) condition on an affected device that is running Cisco IOS Software or Cisco IOS XE Software. To cause the DoS, the attacker must have the SNMPv2c or earlier read-only community string or valid SNMPv3 user credentials. An authenticated, remote attacker with high privileges could execute code as the root user on an affected device that is running Cisco IOS XE Software. To execute code as the root user, the attacker must have the SNMPv1 or v2c read-only community string or valid SNMPv3 user credentials and administrative or privilege 15 credentials on the affected device. An attacker could exploit this vulnerability by sending a crafted SNMP packet to an affected device over IPv4 or IPv6 networks. This vulnerability is due to a stack overflow condition in the SNMP subsystem of the affected software. A successful exploit could allow a low-privileged attacker to cause the affected system to reload, resulting in a DoS condition, or allow a high-privileged attacker to execute arbitrary code as the root user and obtain full control of the affected system. Note: This vulnerability affects all versions of SNMP.

Rincian

Terbit di NVD

24 September 2025

Terakhir diubah

26 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-121: Stack-based Buffer Overflow

EPSS (30 hari)

39,4% peluang dieksploitasi; lebih tinggi dari 98,5% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Cisco IOS and IOS XE Software SNMP Denial of Service and Remote Code Execution Vulnerability

Masuk KEV

29 September 2025

Tenggat CISA

20 Oktober 2025 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 1096 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-x4LPhte mitigasi · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-20352 pemerintah AS