Cisco IOS XR up to 3.4.2 input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco IOS XR up to 3.4.2. This impacts an unknown function. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2010-3035. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Cisco IOS XR up to 3.4.2 (Router Operating System) and classified as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was published 08/27/2010 with Cisco (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-2010-3035. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available.

It is declared as attacked. This issue was added on 03/25/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 04/15/2022:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (61443), EUVD (EUVD-2010-3037), SecurityFocus (BID 42821†), OSVDB (67696†) and SecurityTracker (ID 1024371†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2010 🔍
08/27/2010 +10 days 🔍
08/27/2010 +0 days 🔍
08/27/2010 +0 days 🔍
08/30/2010 +3 days 🔍
08/30/2010 +0 days 🔍
08/31/2010 +0 days 🔍
03/19/2015 +1661 days 🔍
04/22/2026 +4052 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: xforce.iss.net
Organization: Cisco
Status: Confirmed

CVE: CVE-2010-3035 (🔍)
GCVE (CVE): GCVE-0-2010-3035
GCVE (VulDB): GCVE-100-54580
EUVD: 🔍
X-Force: 61443
SecurityFocus: 42821 - Cisco Border Gateway Protocol Unknown Attribute Denial of Service Vulnerability
Secunia: 41190
OSVDB: 67696 - Cisco IOS XR BGP Peer Prefix Announcement Remote DoS
SecurityTracker: 1024371
Vulnerability Center: 26947 - [cisco-sa-20100827-bgp] Cisco IOS XR 3.4.0 - 3.9.1 BGP Remote DoS via a Crafted Prefix Announcement, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/19/2015 14:37
Updated: 04/22/2026 07:43
Changes: 03/19/2015 14:37 (50), 03/03/2017 09:47 (10), 09/24/2021 09:01 (4), 04/24/2024 08:13 (26), 07/16/2024 22:38 (13), 09/09/2024 22:29 (1), 11/30/2024 18:06 (3), 07/30/2025 06:10 (1), 04/22/2026 07:43 (11)
Complete: 🔍
Cache ID: 216::103

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