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cpe:2.3:h:cisco:n540-acc-sys:-:*:*:*:*:*:*:*

part: h version: - update: *

VendorCisco (e1b3baff-aaf9-56a6-a68a-41e28ce616a5)
ProductN540 Acc Sys (2c233feb-d268-5eed-9e7a-8c172a5ed4d4)
Edition*
Language*
Software edition*
Target software*
Target hardware*
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NotesImported from NVD CPE 2.0 feed

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Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2021-34709 not_vulnerable 2026-06-08 05:32:16.004845 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities
MEDIUM (6)
Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.
Published: 2021-09-09T05:00:26.085Z
Updated: 2024-11-07T22:01:16.390Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2021-34708 not_vulnerable 2026-06-08 05:32:16.001102 Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities
MEDIUM (6)
Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.
Published: 2021-09-09T05:00:16.036Z
Updated: 2024-11-07T22:01:21.744Z
Reference links
Imported from gcve-enriched-dumps CVE data
CVE:CVE-2020-3284 not_vulnerable 2026-06-08 05:25:54.487943 Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability
HIGH (8.1)
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 management interface of hardware platforms that are running Cisco IOS XR Software only. The vulnerability exists because internal commands that are issued when the PXE network boot process is loading a software image are not properly verified. An attacker could exploit this vulnerability by compromising the PXE boot server and replacing a valid software image with a malicious one. Alternatively, the attacker could impersonate the PXE boot server and send a PXE boot reply with a malicious file. A successful exploit could allow the attacker to execute unsigned code on the affected device. Note: To fix this vulnerability, both the Cisco IOS XR Software and the BIOS must be upgraded. The BIOS code is included in Cisco IOS XR Software but might require additional installation steps. For further information, see the Fixed Software section of this advisory.
Published: 2020-11-06T18:16:03.841Z
Updated: 2024-11-13T17:43:58.908Z
Reference links
Imported from gcve-enriched-dumps CVE data

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