How severe is CVE-2010-3035?

CVE-2010-3035 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 5.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2010-3035: Cisco IOS XR Border Gateway Protocol (BGP)

CISA Known Exploited Vulnerabilities

Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-03-25

Remediation due

2022-04-15

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2010-3035

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.

Severity

CVSS 3.1 · CISA7.5 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

7 Links

Vendor advisories

20100827 Cisco IOS XR Software Border Gateway Protocol Vulnerability

Third-party advisories

41190

Mailing lists

[nanog] 20100827 Did your BGP crash today?

Vulnerability databases

Record Details

Published

2010-08-30

Last updated

2026-01-12

Assigner (CNA)

cisco

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.