CVE-2026-20100

Katalog CVE

CVSS 7.7 · High EPSS 0,29%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada cisco adaptive security appliance software. Skor CVSS 3.1 7.7 (High) menurut cisco.com.

Deskripsi (NVD)

A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with a valid VPN connection to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This does not affect the management or MUS interfaces. This vulnerability is due to trusting user input without validation in the LUA interprerter. An attacker could exploit this vulnerability by sending crafted HTTP packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Rincian

Terbit di NVD

4 Maret 2026

Terakhir diubah

11 Agustus 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,29% peluang dieksploitasi; lebih tinggi dari 20,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 222 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-m9sx6MbC advisory vendor