Cisco SD-WAN vManage input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco SD-WAN vManage and classified as critical. This vulnerability affects unknown code. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2020-3387. The attack can be launched remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco SD-WAN vManage (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to execute code with root privileges on an affected system. The vulnerability is due to insufficient input sanitization during user authentication processing. An attacker could exploit this vulnerability by sending a crafted response to the Cisco SD-WAN vManage Software. A successful exploit could allow the attacker to access the software and execute commands they should not be authorized to execute.

The weakness was disclosed 07/16/2020 as cisco-sa-vmanrce-4jtWT28P as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2020-3387 since 12/12/2019. The exploitation appears to be difficult. The attack can be initiated remotely. A single authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The entries VDB-158726, VDB-158725, VDB-158724 and VDB-158723 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

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: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2019 🔍
07/16/2020 +217 days 🔍
07/17/2020 +1 days 🔍
07/03/2024 +1447 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-vmanrce-4jtWT28P
Status: Confirmed

CVE: CVE-2020-3387 (🔍)
GCVE (CVE): GCVE-0-2020-3387
GCVE (VulDB): GCVE-100-158722
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/17/2020 12:11
Updated: 07/03/2024 19:29
Changes: 07/17/2020 12:11 (39), 07/17/2020 12:16 (11), 11/04/2020 11:29 (1), 07/03/2024 19:29 (24)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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