Vulnerabilities in Cisco

3,214 results
Vexday analysis

Com 3.204 CVEs catalogadas e 53 confirmadas em exploração ativa pelo CISA KEV, a taxa de exploração dos produtos Cisco está 3,7 vezes acima da média geral do catálogo, o que indica risco operacional significativamente elevado para organizações que dependem dessas tecnologias. Há ainda 199 vulnerabilidades de severidade crítica e 77 com prova de conceito pública disponível, ampliando a superfície de ataque explorável sem necessidade de capacidade ofensiva avançada. O tipo de falha mais recorrente é CWE-20 (validação de entrada inadequada), uma classe de vulnerabilidade frequentemente presente em componentes de rede e que tende a produzir impacto amplo quando explorada. A CVE mais perigosa em exploração ativa neste momento é CVE-2021-1498, com EPSS máximo de 1,0 — indicando probabilidade de exploração extremamente alta —, e deve ser tratada como prioridade imediata em qualquer processo de gestão de patches.

CVE-2026-20129CRITICALCisco Catayst SD-WAN Authentication Bypass VulnerabilityEPSS 0.7%CVE-2023-20107MEDIUMCisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys VulnerabilityEPSS 0.7%CVE-2021-34712MEDIUMCisco SD-WAN vManage Software Cypher Query Language Injection VulnerabilityEPSS 0.7%CVE-2021-1158MEDIUMCisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Stored Cross-Site Scripting VulnerabilitiesEPSS 0.7%CVE-2024-20339HIGHCisco Firepower Threat Defense Software for Firepower 2100 Series TLS Denial of Service VulnerabilityEPSS 0.7%CVE-2021-1151MEDIUMCisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Stored Cross-Site Scripting VulnerabilitiesEPSS 0.7%CVE-2020-3460MEDIUMCisco Data Center Network Manager Cross-Site Scripting VulnerabilityEPSS 0.7%CVE-2019-1952MEDIUMCisco Enterprise NFV Infrastructure Software Path Traversal VulnerabilityEPSS 0.7%CVE-2020-3591MEDIUMCisco SD-WAN vManage Cross-Site Scripting VulnerabilityEPSS 0.7%CVE-2022-20815MEDIUMCisco Unified Communications Products Cross-Site Scripting VulnerabilityEPSS 0.7%CVE-2021-34706MEDIUMCisco Identity Services Engine XML External Entity Injection VulnerabilityEPSS 0.7%CVE-2022-20800MEDIUMCisco Unified Communications Products Cross-Site Scripting VulnerabilityEPSS 0.7%CVE-2024-20458HIGHCisco ATA 190 Series Analog Telephone Adapter Software VulnerabilitiesEPSS 0.7%CVE-2023-20013MEDIUMMultiple vulnerabilities in Cisco Intersight Private Virtual Appliance could allow an authenticated, remote attacker to execute arbitrary coEPSS 0.7%CVE-2019-1750HIGHCisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service VulnerabilityEPSS 0.7%CVE-2023-20017MEDIUMMultiple vulnerabilities in Cisco Intersight Private Virtual Appliance could allow an authenticated, remote attacker to execute arbitrary coEPSS 0.7%CVE-2026-20034HIGHCisco Unity Connection Remote Code Execution VulnerabilityEPSS 0.7%CVE-2021-1382MEDIUMCisco IOS XE SD-WAN Software Command Injection VulnerabilityEPSS 0.7%CVE-2020-26080MEDIUMCisco IoT Field Network Director Improper Domain Access Control VulnerabilityEPSS 0.7%CVE-2024-20321HIGHA vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remoteEPSS 0.7%