Alertas de Seguridad de la Información

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20284] A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to co…

A vulnerability in the SXP REST API of Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks. This vulnerability is due to insufficient validation of user-supplied input in REST API calls. An attacker could exploit this vulnerability by sending crafted input to an affected device. A successful exploit could allow the attacker to view or modify data on the unde…

nvdcriticovulnerabilidad CVSS 9.1 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20295] A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and…

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device. This vulnerability is due to improper management of memory resources during sftunnel TLS connection setup. An attacker could exploit this vulnerability by sending craf…

nvdaltovulnerabilidad CVSS 8.6 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20300] A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection …

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affecte…

nvdaltovulnerabilidad CVSS 7.1 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20247] A vulnerability in Cisco ISE could allow an unauthenticated, remote attacker to conduct SQL injectio…

A vulnerability in Cisco ISE could allow an unauthenticated, remote attacker to conduct SQL injection attacks on an affected device. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to modify data in the underlying database.

nvdaltovulnerabilidad CVSS 7.5 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20249] A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv…

A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2) for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly. This vulnerability is due to a logic error during the certificat…

nvdaltovulnerabilidad CVSS 8.6 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20135] A vulnerability in the TLS 1.3 implementation in Cisco Secure Firewall Threat Defense (FTD) Software…

A vulnerability in the TLS 1.3 implementation in Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper buffer management during the TLS 1.3 connection. An attacker could exploit this vulnerability by sending a c…

nvdaltovulnerabilidad CVSS 8.6 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20222] A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance (AS…

A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when handling EIGRP update …

nvdaltovulnerabilidad CVSS 7.4 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-76423] A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remot…

A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exp…

nvdcriticovulnerabilidad CVSS 10.0 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20341] A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software cou…

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an authenticated, remote attacker to obtain root privileges. This vulnerability is due to unsecured deserialization of untrusted data over the sftunnel management connection. An attacker could exploit this vulnerability by sending crafted sftunnel remote procedure calls (RPCs). A su…

nvdcriticovulnerabilidad CVSS 9.1 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20361] As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Das…

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20361 are related to SQL injection issues that are grouped un…

nvdaltovulnerabilidad CVSS 8.8 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20322] As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Das…

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20322 are related to improper access control issues that…

nvdcriticovulnerabilidad CVSS 9.9 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20324] A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Managem…

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker to execute arbitrary commands as root. This vulnerability exists because a registered sftunnel peer has incorrect permissions to write an arbitrary file to any location on the device. An attacker could exploit this vulnerabil…

nvdcriticovulnerabilidad CVSS 9.9 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20325] As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Das…

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20325 are related to improper neutralization of special …

nvdcriticovulnerabilidad CVSS 9.9 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20326] As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Das…

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20326 are related to missing authentication for critical func…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20211] A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary comm…

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid high-privileged administrative credentials. This vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vul…

nvdcriticovulnerabilidad CVSS 9.1 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20242] A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center (…

A vulnerability in the External Database Access feature of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to execute arbitrary commands as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Java byte stream from a host that is configured in the external database access list. An attacke…

nvdcriticovulnerabilidad CVSS 9.8 NVD

M Crítico vulnerabilidad

16/09/2026

[CVE-2026-20176] A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary comm…

A vulnerability in Cisco ISE could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid high-privileged administrative credentials. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sendi…

nvdcriticovulnerabilidad CVSS 9.1 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-86043] Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.27.37, the o…

Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.27.37, the opaAuthorizeRequestWithBody filter can authorize an oversized request after Skipper truncates the body presented to Open Policy Agent because the input.truncated_body signal is derived from Content-Length rather than the actual read result. In filters/openpolicyagent/openpolicyagent.go, ExtractHttpBo…

nvdaltovulnerabilidad CVSS 7.5 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-81875] HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in J…

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to version 6.9.12, SHCParser in org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/SHCParser.java can consume attacker-controlled Smart Health Card JWT content whose header contains zip: "DEF" and whose small raw-DEFLATE payload expands to a very large value. SHCParser.decodeJWT()…

nvdaltovulnerabilidad CVSS 7.5 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-82399] CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-ove…

CoreDNS is a DNS server written in Go. Prior to 1.14.7, the DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC request paths in plugin/pkg/doh/doh.go, core/dnsserver/server_quic.go, and core/dnsserver/server_grpc.go call dns.Msg.Unpack on attacker-controlled DNS section counts before dns.DefaultMsgAcceptFunc validates the fixed header. An unauthenticated client can use DNS name comp…

nvdaltovulnerabilidad CVSS 7.5 NVD