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Vendor/product archive

cisco / ios_xr CVEs

Beta · best-effort

194 CVEs tagged to cisco / ios_xr4 Critical, 88 High, 99 Medium, 3 Low, 0 Unrated.

CVE-2026-20074

Published Mar 11, 2026

A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) multi-instance routing feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker…

CVSS 7.4 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-20046

Published Mar 11, 2026

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full admin…

CVSS 8.8 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-20040

Published Mar 11, 2026

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an aff…

CVSS 8.8 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2025-20154

Published May 7, 2025

A vulnerability in the Two-Way Active Measurement Protocol (TWAMP) server feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker t…

CVSS 8.6 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2025-20143

Published Mar 12, 2025

A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Secure Boot functionality and load unv…

CVSS 6.7 · Medium
evidence mentions
3
Buzz score
28.9
Vendor/product tagsBeta · best-effort

CVE-2025-20138

Published Mar 12, 2025

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an aff…

CVSS 8.8 · High
evidence mentions
3
Buzz score
28.9
Vendor/product tagsBeta · best-effort

CVE-2025-20115

Published Mar 12, 2025

A vulnerability in confederation implementation for the Border Gateway Protocol (BGP) in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a deni…

CVSS 8.6 · High
evidence mentions
3
Buzz score
28.9
Vendor/product tagsBeta · best-effort

CVE-2025-20172

Published Feb 5, 2025

A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS conditio…

CVSS 7.7 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2021-1440

Published Nov 18, 2024

A vulnerability in the implementation of the Resource Public Key Infrastructure (RPKI) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cau…

CVSS 6.8 · Medium
Vendor/product tagsBeta · best-effort

CVE-2022-20846

Published Nov 15, 2024

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the Cisco Discov…

CVSS 4.3 · Medium
Vendor/product tagsBeta · best-effort

CVE-2024-20489

Published Sep 11, 2024

A vulnerability in the storage method of the PON Controller configuration file could allow an authenticated, local attacker with low privileges to obtain the MongoDB credentials.…

CVSS 8.4 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2024-20483

Published Sep 11, 2024

Multiple vulnerabilities in Cisco Routed PON Controller Software, which runs as a docker container on hardware that is supported by Cisco IOS XR Software, could allow an authentic…

CVSS 7.2 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2024-20406

Published Sep 11, 2024

A vulnerability in the segment routing feature for the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS XR Software could allow an unauthenticated, adjacen…

CVSS 7.4 · High
Vendor/product tagsBeta · best-effort

CVE-2024-20398

Published Sep 11, 2024

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access on the underlying operating system of an a…

CVSS 8.8 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2024-20390

Published Sep 11, 2024

A vulnerability in the Dedicated XML Agent feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on XML TCP listen po…

CVSS 5.3 · Medium
Vendor/product tagsBeta · best-effort
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