CVE Catalog

CVE-2015-0769

High
Published: Translated: NVD NIST

Summary

Cisco IOS XR versions 4.0.1 through 4.2.0 for the CRS-3 Carrier Routing System allows remote attackers to cause a denial of service via crafted IPv6 extension headers, leading to NPU ASIC scan and line-card reload.

Risk Assessment

Attackers can exploit this vulnerability to disrupt system operations, potentially leading to service outages.

Recommendation

It is recommended to upgrade Cisco IOS XR to the latest version to mitigate this vulnerability and to monitor IPv6 traffic for potential attacks.

Related vulnerabilities

Original NVD description (English source)

Cisco IOS XR 4.0.1 through 4.2.0 for CRS-3 Carrier Routing System allows remote attackers to cause a denial of service (NPU ASIC scan and line-card reload) via crafted IPv6 extension headers, aka Bug ID CSCtx03546.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS