CVE-2026-20125

Katalog CVE

CVSS 7.7 · High EPSS 0,28%

Kerentanan Improper Handling of Syntactically Invalid Structure. Skor CVSS 3.1 7.7 (High) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could allow an authenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending malformed HTTP requests to an affected device. A successful exploit could allow the attacker to cause a watchdog timer to expire and the device to reload, resulting in a DoS condition. To exploit this vulnerability, the attacker must have a valid user account.

Rincian

Terbit di NVD

25 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Awaiting Analysis

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-228: Improper Handling of Syntactically Invalid Structure

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 18,9% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-http-dos-sbv8XRpL