Alertas de Seguridad de la Información

M Alto vulnerabilidad

16/09/2026

[CVE-2026-76412] A vulnerability in the remote diagnostics debugger of Cisco Secure FMC Software could allow an authe…

A vulnerability in the remote diagnostics debugger of Cisco Secure FMC Software could allow an authenticated, remote attacker to enable the remote diagnostics debugger service. This vulnerability is due to an error when checking the privilege level of a user who is invoking remote diagnostics. An attacker could exploit this vulnerability by authenticating to the device, either through the web-b…

nvdaltovulnerabilidad CVSS 8.5 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-76413] A vulnerability in Cisco Adaptive Security Device Manager (ASDM) single sign-on (SSO) handler for Ci…

A vulnerability in Cisco Adaptive Security Device Manager (ASDM) single sign-on (SSO) handler for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to log in as the Cisco ASDM administrator user. This vulnerability is due to improper management of the Cisco ASDM SSO token. An attacker could exploit this vulnerability by performing session token forgery techniques. A succ…

nvdaltovulnerabilidad CVSS 8.2 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-76424] A vulnerability in the REST API of Cisco ISE could allow an authenticated, remote attacker to upload…

A vulnerability in the REST API of Cisco ISE could allow an authenticated, remote attacker to upload or copy arbitrary files on an affected device. This vulnerability is due to insufficient validation in file operations. An attacker could exploit this vulnerability by uploading a file with a crafted path. A successful exploit could allow the attacker to upload files to arbitrary locations and e…

nvdaltovulnerabilidad CVSS 7.2 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20352] A vulnerability in the RADIUS feature of Cisco Identity Services Engine (ISE) could allow an unauthe…

A vulnerability in the RADIUS feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by sending a crafted RADIUS request directly to an affected device. A successful ex…

nvdaltovulnerabilidad CVSS 8.6 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20360] 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-2026-20360 are related to information exposure and insecure handli…

nvdaltovulnerabilidad CVSS 8.8 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20340] A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execut…

A vulnerability in Cisco Secure FMC Software could allow an authenticated, remote attacker to execute arbitrary commands at the root privilege level. This vulnerability is due to unsecured deserialization of web-management user-controlled data. An attacker could exploit this vulnerability by authenticating to the device and sending a crafted HTTP payload. A successful exploit could allow t…

nvdaltovulnerabilidad CVSS 8.8 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20342] A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenti…

A vulnerability in a specific file download API of Cisco Secure FMC Software could allow an authenticated, remote attacker to download arbitrary files from an affected system. This vulnerability exists because user input is not being sanitized. An attacker could exploit this vulnerability by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary fil…

nvdaltovulnerabilidad CVSS 7.7 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20343] A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remo…

A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to download sensitive files and use unbounded disk space. This vulnerability exists because a critical API lacks authentication. An attacker could exploit this vulnerability by repeatedly invoking the API. A successful exploit could allow the attacker to download sensitive files …

nvdaltovulnerabilidad CVSS 7.5 NVD

M Alto vulnerabilidad

16/09/2026

[CVE-2026-20344] A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an au…

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, remote attacker to perform a SQL injection attack against an affected device. To exploit this vulnerability, the attacker must have a valid account on the device with the role of Security Approver, Access Admin, or Network Admin. This vulnerability is due to insufficient validation o…

nvdaltovulnerabilidad CVSS 8.8 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 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 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

M Alto vulnerabilidad

16/09/2026

[CVE-2026-63325] Redocly CLI makes OpenAPI validation, linting, and documentation workflows easier. Prior to version …

Redocly CLI makes OpenAPI validation, linting, and documentation workflows easier. Prior to version 2.33.0 of @redocly/respect-core and @redocly/cli, the respect command dynamically evaluates $faker runtime expressions in Arazzo descriptions. A crafted expression can traverse constructor, prototype, or __proto__ properties in packages/respect-core/src/modules/context-parser/get-value-from-context.…

nvdaltovulnerabilidad CVSS 7.8 NVD