Cisco NX-OS 4.2(1)SV1(5.2) on Nexus 1000V VSG License unknown vulnerability

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.
6.7	$0-$5k	0.00

A vulnerability classified as critical was found in Cisco NX-OS 4.2(1)SV1(5.2) on Nexus 1000V (Router Operating System). Affected by this vulnerability is an unknown functionality of the component VSG License Handler. As an impact it is known to affect integrity.

The weakness was disclosed 11/07/2012 as confirmed mailinglist post (Bugtraq). The advisory is shared at seclists.org. The public release has been coordinated in cooperation with Cisco. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading to version 4.2(1)SV1(5.2a) eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (79893).

Productinfo

Type

Router Operating System

Vendor

Cisco

Name

NX-OS

Version

4.2(1)SV1(5.2)

License

commercial

Support

end of life (old version)

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

Class: Unknown
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: 🔍

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

Upgrade: NX-OS 4.2(1)SV1(5.2a)

Timelineinfo

11/07/2012 🔍
11/07/2012 +0 days 🔍
11/07/2012 +0 days 🔍
12/01/2012 +24 days 🔍
12/04/2012 +3 days 🔍
05/04/2019 +2342 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: seclists.org
Status: Confirmed
Coordinated: 🔍
X-Force: 79893, Medium Risk
OSVDB: 88049

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/04/2012 10:41
Updated: 05/04/2019 19:05
Changes: 12/04/2012 10:41 (49), 05/04/2019 19:05 (2)
Complete: 🔍
Committer: