CVE-2010-3035

HIGH
7.5
CVSS Score
Published: August 30, 2010 at 08:00 PM UTC
Updated: June 16, 2026 at 11:22 PM UTC
1 product affected across 1 vendorIOS Xr

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Severity
HIGH7.5
Exploitation
CISA KEV
Exploit prediction
EPSS 6%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score5.7%

EPSS (Exploit Prediction Scoring System) estimates a 5.7% chance this CVE is exploited in the wild within the next 30 days — higher than 93% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Cisco IOS XR, when BGP is the configured routing feature, allows remote attackers to cause a denial-of-service (DoS).

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Mar 25, 2022
Remediation Due
Apr 15, 2022
1656 days overdue

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.4.0 ≤ v ≤ 3.9.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB Entryx_refsource_OSVDBBroken Link
http://osvdb.org/67696
Third Party Advisoryx_refsource_SECUNIABroken Link
http://secunia.com/advisories/41190
VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory
http://www.securitytracker.com/id?1024371
VDB Entryx_refsource_VUPENBroken Link
http://www.vupen.com/english/advisories/2010/2227
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3035

SSVC — Action Prioritization

SSVCActiveAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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