PT-2025-33328 · Cisco · Cisco Secure Firewall Asa+2

Keane Okelley · Publicado 2025-08-14 · Atualizado 2025-08-15 · CVE-2025-20243

Positive Technologies (AI Summary)

CVSS v3.1

8.6

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: Cisco Secure Firewall ASA Software and Secure FTD Software (affected versions not specified)

Description: A vulnerability exists in the management and VPN web servers that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial-of-service (DoS) condition. This issue is due to improper validation of user-supplied input on an interface with VPN web services. An attacker could exploit this by sending crafted HTTP requests to a targeted web server on an affected device.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Infinite Loop

Enumeração de Fraquezas

CWE-835

Identificadores relacionados

BDU:2025-10345

CVE-2025-20243

Produtos afetados

Cisco Asa

Cisco Secure Firewall Asa

Secure Ftd

Referências · 6

• https://twitter.com/CVEnew/status/1956390329281613893 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2025-20243 · Nota de Segurança
• https://bdu.fstec.ru/vul/2025-10345 · Nota de Segurança
• https://twitter.com/CveFindCom/status/1956041021541724478 · Publicação no Twitter
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-mfPekA6e · Aviso do Fabricante
• https://t.me/true_secator/7332 · Publicação no Telegram