VDB-160107 · CVE-2020-3522 · GCVE-0-2020-3522

Cisco Data Center Network Manager prior 11.4(1) access control

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6.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Cisco Data Center Network Manager and classified as critical. This affects an unknown part. Performing a manipulation results in access control. This vulnerability is reported as CVE-2020-3522. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Data Center Network Manager. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to bypass authorization on an affected device and access sensitive information that is related to the device. The vulnerability exists because the affected software allows users to access resources that are intended for administrators only. An attacker could exploit this vulnerability by submitting a crafted URL to an affected device. A successful exploit could allow the attacker to add, delete, and edit certain network configurations in the same manner as a user with administrative privileges.

The weakness was disclosed 08/19/2020 as cisco-sa-dcnm-auth-bypass-MYeF as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2020-3522. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 11.4(1) eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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Productinfo

Type

Network Management Software

Vendor

Cisco

Name

Data Center Network Manager

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Cisco): 6.3
Vendor Vector (Cisco): 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍

Upgrade: Data Center Network Manager 11.4(1)

Timelineinfo

12/12/2019 🔍
08/19/2020 +251 days 🔍
08/19/2020 +0 days 🔍
08/21/2020 +2 days 🔍
11/10/2020 +81 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-dcnm-auth-bypass-MYeF
Status: Confirmed

CVE: CVE-2020-3522 (🔍)
GCVE (CVE): GCVE-0-2020-3522
GCVE (VulDB): GCVE-100-160107
See also: 🔍

Entryinfo

Created: 08/21/2020 19:57
Updated: 11/10/2020 18:17
Changes: 08/21/2020 19:57 (51), 08/21/2020 19:59 (10), 11/10/2020 18:13 (1), 11/10/2020 18:17 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.