Input validation

A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check that is performed by the area of code that manages system startup processes. An attacker could exploi...

CVE-2021-1453 Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability

A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. The vulnerability is due to an improper check in the code functi...

Cisco IOS XE Software Fast Reload Vulnerabilities

Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3650, Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating...

Cisco Access Point Software Arbitrary Code Execution Vulnerability

A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check that is performed by the area of code that manages system startup processes. An attacker could exploi...

CVE-2020-3284

A vulnerability in the enhanced Preboot eXecution Environment PXE boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the...

Design/Logic Flaw

A vulnerability in the enhanced Preboot eXecution Environment PXE boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the...

CVE-2020-3284 Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability

A vulnerability in the enhanced Preboot eXecution Environment PXE boot loader for Cisco IOS XR 64-bit Software could allow an unauthenticated, remote attacker to execute unsigned code during the PXE boot process on an affected device. The PXE boot loader is part of the BIOS and runs over the...

CVE-2020-3524

A vulnerability in the Cisco IOS XE ROM Monitor ROMMON Software for Cisco 4000 Series Integrated Services Routers, Cisco ASR 920 Series Aggregation Services Routers, Cisco ASR 1000 Series Aggregation Services Routers, and Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated,...

CVE-2020-3524 Cisco IOS XE ROM Monitor Software Vulnerability

A vulnerability in the Cisco IOS XE ROM Monitor ROMMON Software for Cisco 4000 Series Integrated Services Routers, Cisco ASR 920 Series Aggregation Services Routers, Cisco ASR 1000 Series Aggregation Services Routers, and Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated,...

CVE-2019-1736 Multiple Cisco UCS-Based Products UEFI Secure Boot Bypass Vulnerability

A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface UEFI Secure Boot validation checks and load a compromised software image on an affected device. The vulnerability is due to improp...

Cisco IOS XE Software Digital Signature Verification Bypass (cisco-sa-iosxe-digsig-bypass-FYQ3bmVq)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability due to an improper check on the area of code that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by...

PT-2020-2789

Name of the Vulnerable Software and Affected Versions Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers Industrial ISRs affected versions not specified Description A vulnerability in the image verification feature of Cisco IOS Software could allow an authenticated,...

PT-2020-2693

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description The issue is related to errors in cryptographic signature verification during the initial boot process of system image files. This could allow an unauthenticated, physical...

PT-2020-1825

Name of the Vulnerable Software and Affected Versions Cisco UCS C-Series Rack Servers affected versions not specified Description A vulnerability in the firmware of the Cisco UCS C-Series Rack Servers could allow an authenticated, physical attacker to bypass Unified Extensible Firmware Interface...

PT-2019-3327

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description The issue is related to the absence of digital signature verification for system image files during the boot process in Cisco IOS XE Software. This could allow an authenticated,...

Cisco Nexus 3000 Series and 9000 Series Switches in NX-OS Mode CLI Command Software Image Signature Verification Vulnerability

According to its self-reported version, Cisco NX-OS Software isa ffected by a vulnerability in the Image Signature Verification feature used in an NX-OS CLI command in Cisco Nexus 3000 Series and 9000 Series Switches could allow an authenticated, local attacker with administrator-level credential...

CVE-2019-5300

There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the...

CVE-2019-5300

There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the...

CVE-2019-5300: Improper Verification of Cryptographic Signature

There is a digital signature verification bypass vulnerability in AR1200, AR1200-S, AR150, AR160, AR200, AR2200, AR2200-S, AR3200, SRG1300, SRG2300 and SRG3300 Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the...

CVE-2019-1812

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not...