CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controller for Cloud Unauthenticated Access to Certificate Enrollment Service (cisco-sa-9800cl-openscep-SB4xtxzP)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the...

CVE-2025-20316

A vulnerability in the access control list ACL programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device. This vulnerability is due to the flooding of traffic from an...

CVE-2025-20293

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the public-key infrastructure PKI server that is running on an affected device. This vulnerability is due...

CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

CVE-2025-20316

A vulnerability in the access control list ACL programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device. This vulnerability is due to the flooding of traffic from an...

CVE-2025-20316

CVE-2025-20316 describes a vulnerability in the ACL programming of Cisco IOS XE Software on Cisco Catalyst 9500X and 9600X Series Switches. The issue allows an unauthenticated, remote attacker to bypass a configured egress ACL. The root cause is tied to traffic flooding from an unlearned MAC addr...

CVE-2025-20293

CVE-2025-20293 affects Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud (9800-CL). The root cause is incomplete cleanup at the end of the Day One setup, allowing an unauthenticated, remote attacker to reach the PKI server via SCEP requests. A successful exploit could ...

CVE-2025-20293

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the public-key infrastructure PKI server that is running on an affected device. This vulnerability is due...

CVE-2025-20293

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the public-key infrastructure PKI server that is running on an affected device. This vulnerability is due...

CVE-2025-20311

CVE-2025-20311 affects Cisco IOS XE Software for Catalyst 9000 Series Switches. The root cause is improper handling of crafted Ethernet frames, enabling an unauthenticated adjacent attacker to cause an egress port to block and drop all outbound traffic, resulting in DoS. The advisory notes that a...

CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

Cisco IOS XE Software for Catalyst 9000 Series Switches Denial of Service Vulnerability

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

Cisco IOS XE Software on Cisco Catalyst 9500X and 9600X Series Switches Virtual Interface Access Control List Bypass Vulnerability

A vulnerability in the access control list ACL programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device. This vulnerability is due to the flooding of traffic from an...

Cisco IOS XE Software for Catalyst 9800 Series Wireless Controller for Cloud Unauthenticated Access to Certificate Enrollment Service Vulnerability

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the public-key infrastructure PKI server that is running on an affected device. This vulnerability is due...

PT-2025-39298

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL affected versions not specified Description A flaw exists in the Day One setup process that may allow a remote, unauthenticated attacker to access the...

PT-2025-39303

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches affected versions not specified Description A flaw exists in the access control list ACL programming that could allow a remote attacker to bypass a configured ACL on an...

PT-2025-39299

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Catalyst 9000 Series Switches affected versions not specified Description A flaw exists in how certain Ethernet frames are processed, potentially allowing a nearby, unauthenticated attacker to disrupt network traffic...

[SECURITY] Fedora 43 Update: perl-Catalyst-Authentication-Credential-HTTP-1.019-1.fc43

This module lets you use HTTP authentication with Catalyst::Plugin::Authentication. Both basic and digest authentication are currently supported...