2021-1614 | Cisco SD-WAN Software/SD-WAN vManage Software MPLS buffer overflow (cisco-sa-sdw-mpls-infodisclos-MSSRFkZq)
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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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.
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: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
0-Day Time: 🔒
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/
CVE: CVE-2021-1614 (🔒)
Created: 07/22/2021 21:31
Updated: 07/27/2021 09:06
Changes: (1) source_cve_cna
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