CVE-2010-3035

HIGH7.5

CISA KEV

Published 2010-08-30 · Updated 2026-06-16 · Source psirt@cisco.com

Summary

CVE-2010-3035 is a high-severity (CVSS 7.5) vulnerability in Cisco IOS XR. CISA added it to the Known Exploited Vulnerabilities catalog on March 25, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 15, 2022. CISA does not currently list it as used in ransomware campaigns. Cisco has 101 vulnerabilities in the KEV catalog, 7 of them linked to ransomware.

All 101 known-exploited Cisco vulnerabilities →

Description

Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA Known-Exploited Vulnerability

Product: Cisco — IOS XR

Name: Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability

Date added: 2022-03-25 · Due: 2022-04-15

Required action: Apply updates per vendor instructions.

References

View on NVD

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