2021-1614 | Cisco SD-WAN Software/SD-WAN vManage Software MPLS buffer overflow (cisco-sa-sdw-mpls-infodisclos-MSSRFkZq)

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	$5k-$25k	0.31

A vulnerability was found in Cisco SD-WAN Software and SD-WAN vManage Software (Network Management Software) (affected version not known). It has been rated as critical. Affected by this issue is an unknown code of the component MPLS Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-120. Impacted is confidentiality. CVE summarizes:

A vulnerability in the Multiprotocol Label Switching (MPLS) packet handling function of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to gain access to information stored in MPLS buffer memory. This vulnerability is due to insufficient handling of malformed MPLS packets that are processed by a device that is running Cisco SD-WAN Software. An attacker could exploit this vulnerability by sending a crafted MPLS packet to an affected device that is running Cisco SD-WAN Software or Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to gain unauthorized access to sensitive information.

The weakness was shared 07/22/2021 as cisco-sa-sdw-mpls-infodisclos-MSSRFkZq. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2021-1614 since 11/13/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/27/2021).

Upgrading eliminates this vulnerability.

Type

Vendor

Name

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: 🔍

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: 🔍
Class: Memory corruption
CWE: CWE-120
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: tools.cisco.com

11/13/2020 CVE assigned
07/22/2021 +250 days Advisory disclosed
07/22/2021 +0 days VulDB entry created
07/27/2021 +5 days VulDB last updateVendor: https://www.cisco.com/

Advisory: cisco-sa-sdw-mpls-infodisclos-MSSRFkZq
Status: Confirmed

CVE: CVE-2021-1614 (🔒)

Created: 07/22/2021 21:31
Updated: 07/27/2021 09:06
Changes: (1) source_cve_cna
Complete: 🔍

Comments

Check our Alexa App!