Cisco 1000V Virtual Ethernet Module (vem) 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.
7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco 1000V Virtual Ethernet Module (vem). It has been rated as problematic. This issue affects some unknown processing. Performing a manipulation results in resource management. This vulnerability is identified as CVE-2011-0355. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Cisco 1000V Virtual Ethernet Module (vem) (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Cisco Nexus 1000V Virtual Ethernet Module (VEM) 4.0(4) SV1(1) through SV1(3b), as used in VMware ESX 4.0 and 4.1 and ESXi 4.0 and 4.1, does not properly handle dropped packets, which allows guest OS users to cause a denial of service (ESX or ESXi host OS crash) by sending an 802.1Q tagged packet over an access vEthernet port, aka Cisco Bug ID CSCtj17451.

The weakness was released 02/09/2011 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2011-0355 since 01/07/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 69481 (Cisco Nexus 1000V VEM DoS (CSCtj17451)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (65217), Tenable (69481), SecurityFocus (BID 46247†), OSVDB (70837†) and Secunia (SA43084†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 69481
Nessus Name: Cisco Nexus 1000V VEM DoS (CSCtj17451)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/07/2011 🔍
02/04/2011 +28 days 🔍
02/07/2011 +3 days 🔍
02/08/2011 +1 days 🔍
02/08/2011 +0 days 🔍
02/09/2011 +0 days 🔍
02/09/2011 +0 days 🔍
02/09/2011 +0 days 🔍
02/17/2011 +8 days 🔍
03/13/2011 +24 days 🔍
08/13/2013 +884 days 🔍
03/20/2015 +584 days 🔍
10/17/2021 +2403 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0355 (🔍)
GCVE (CVE): GCVE-0-2011-0355
GCVE (VulDB): GCVE-100-56511

IAVM: 🔍

X-Force: 65217
SecurityFocus: 46247 - Cisco Nexus 1000V VEM Denial of Service Vulnerability
Secunia: 43084 - Cisco Nexus 1000V Virtual Switch 802.1Q Tagged Packet Denial of Service, Less Critical
OSVDB: 70837 - Cisco Nexus 1000V Virtual Switch 802.1Q Tagged Packet Remote DoS
SecurityTracker: 1025030 - VMware ESX/Cisco Nexus 1000V Packet Processing Bug Lets Remote Users Deny Service
Vulnerability Center: 30284 - Cisco Nexus 1000V VEM as used in VMware ESX and ESXi Remote Denial of Service Vulnerability, Medium
Vupen: ADV-2011-0314

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/17/2021 08:37
Changes: 03/20/2015 16:16 (61), 03/18/2017 08:38 (18), 10/17/2021 08:37 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!