VDB-77485 · CVE-2015-6267 · SBV-52348

Cisco IOS XE up to 2.2.2 on ASR 1000 L2TP Packet resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco IOS XE up to 2.2.2 on ASR 1000. Affected by this issue is some unknown functionality of the component L2TP Packet Handler. This manipulation causes resource management. This vulnerability is registered as CVE-2015-6267. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS XE up to 2.2.2 on ASR 1000 (Router Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component L2TP Packet Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted L2TP packet, aka Bug IDs CSCsw95722 and CSCsw95496.

The weakness was published 08/29/2015 as CSCsw95722/CSCsw95496 as not defined advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2015-6267 since 08/17/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-52348†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

IOS XE

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: IOS XE 2.2.3

Timelineinfo

08/17/2015 🔍
08/28/2015 +11 days 🔍
08/28/2015 +0 days 🔍
08/29/2015 +1 days 🔍
08/30/2015 +1 days 🔍
08/31/2015 +1 days 🔍
06/13/2022 +2478 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCsw95722/CSCsw95496
Status: Not defined

CVE: CVE-2015-6267 (🔍)
GCVE (CVE): GCVE-0-2015-6267
GCVE (VulDB): GCVE-100-77485
SecurityTracker: 1033410
Vulnerability Center: 52348 - Cisco IOS XE before 2.2.3 on ASR 1000 Remote DoS via a Crafted L2TP Packet, High

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

Entryinfo

Created: 08/31/2015 18:02
Updated: 06/13/2022 17:38
Changes: 08/31/2015 18:02 (52), 11/14/2017 08:02 (7), 06/13/2022 17:38 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.